Model: 645403-4

Extended Washer Self-locking Nut

Special Features:

Flight safety critical aircraft part

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.420 inches

Lubrication

Soluble lubricant

Overall Height

Between 0.204 inches and 0.219 inches

Nut Style

Hexagon

Washer Thickness

0.019 inches

Width Across Flats

Between 0.304 inches and 0.316 inches

Tempurature Rating

800.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Criticality Code Justification

Feat

Material

Iron alloy 660

Material Specification

Ams 5525 assn standard single material response or ams 5735 assn standard single material response

Precious Material And Location

External surface silver

Surface Treatment

Silver

Surface Treatment Specification

Qq-s-365 federal specification single treatment response or ams 2410 assn standard single treatment response

NSN

5310-00-844-4872

Part Number

645403-4

Description

Nut,self-locking,extended Washer

CAGE

99551

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part 645403-4 NSN 5310-00-844-4872

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29730

FIIG:

A021A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 5310-00-844-4872 is a component of

Close In Weapon System (ciws-phalanx)
B-1 Aircraft Support Equipment
Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
Mini-sace Test Consoles
Ec-135h/k/p) Aircraft Tf33-pw-102 (c-135e Engine
B-52h) Aircraft Tf33-p-3/5/9 (c/ec-135 Engine
Kc-135a) F-108 (cfm-56 Aircraft Engine
Tf33-100 (e3a/b/c) Aircraft Engine
T56-a-7/15 (c-130b/e/h/n/p) Aircraft Engine
Ch 47 (rotary Wing Aircraft)
006202517
Cowling
005370336
Aircraft Submerged Pump
005388622
Regulator Cover
005580653
Slat Door Assembly
005585216
Gun System Entrance Unit
005585284
Gun System Exit Unit
005703846
Ba Support Assembly
005736482
Aircraft Environmental Control Valve Assembly
005749991
Aircraft Engine Build-up Parts Kit
005882198
Air Turbine Engine Starter
005889199
Butterfly Valve
010039755
Aircraft Engine Build-up Parts Kit
004929438
Turbine Engine Main Fuel Control
004962146
Linear Actuating Cylinder Assembly
004981153
Slat Cover Assembly
004981154
Slat Cover Assembly
004981155
Slat Door Assembly
004747173
Exhaust Pipe
004777108
Aircraft Frame
004777119
Aircraft Door
004802353
Navigation Test Set
004802354
Navigation Test Set
004802356
Electronic Circuit Plug-in Unit Test Set
004864936
Aircraft Structural Panel
014566511
Turbine Engine Accessory Drive Gearbox
011035641
Air-antitank Defense Missile System Carrier
012755061
Diesel Engine Generator Set
010038734
Aircraft Engine Build-up Parts Kit
011035641
Air-antitank Defense Missile System Carrier
011035641
Air-antitank Defense Missile System Carrier
011035641
Air-antitank Defense Missile System Carrier
011035641
Air-antitank Defense Missile System Carrier
004506217
Vaneaxial Fan
004541019
Aircraft Access Door
004541020
Aircraft Access Door
004541024
Aircraft Access Door
004541025
Aircraft Access Door
004604920
Aircraft Structural Component Support
014804613
Aircraft Gas Turbine Engine Augmenter Exhaust Nozzle
014567119
Turbine Engine Accessory Drive Gearbox
010489920
Power Supply
004162050
Radio Frequency Radiation Absorber
004225594
Structural Support
004225607
Aircraft Structural Component Support
014223330
Aircraft Cabin Air Pressure Regulator
014267061
Electrical Special Purpose Cable Assembly
014362911
Aircraft Engine Maintenance Fixture
014380943
Hydraulic Constant Speed Drive
014393137
Aircraft Engine Build-up Parts Kit
014394409
Air Thrust Reverser
014443628
Nonaircraft Gas Turbine Engine
014467140
Acft Register Assy
014503989
Butterfly Valve
003375145
Air Turbine Engine Starter
014623959
Head-up Display Unit
014536166
Butterfly Valve
014608886
Aircraft Cooling Turbine
014623962
Head-up Display Unit
014655309
Util Panel Assembly
014761275
Targeting Po Cradle
992155350
Head-u Display Unit
997714187
Head-u Display Unit
003526966
Power Supply
013654754
Ca Adjusting Device
013672917
Gearcase-motor
003712313
Mounting Bracket
003712316
Mounting Bracket
013689851
Monorail Trolley
013711112
Crankshaf Link Assy
013711279
Butterfly Valve
013722594
Bell Crank
013725966
Aircraft Maintenance Fixture
013762792
Forward Looking Inf
013795875
Aircraft Cooling Turbine
013804930
Astroinertial Instr
013813585
Optical Instruments Test Set Subassembly
013821554
Aircraft Gas Turbine Engine Augmenter Exhaust Nozzle
013854586
Coolanol Cntrl Unit
013916455
Aircraft Cargo Tie Down
013936531
Yoke Assembly
013940488
Windo Yoke Assembly
013940494
Ramp Yoke Assembly
013968856
Aircraft Engine Maintenance Fixture
013977981
Aircraft Centrifugal Clutch Assembly
014111340
Aircraft Engine Build-up Parts Kit
013228876
Electro-pneumatic Actuator
013293239
Turbine Engine Main Fuel Control
013301000
Turbine Engine Accessory Drive Gearbox
013307765
Turbine Engine Accessory Drive Gearbox
002952339
Constant Speed Drive Governor
013359705
Aircraft Maintenance Rigging Kit
013381331
Electronic Test Extender Card
013381332
Electronic Test Extender Card
013429918
Nonaircraft Gas Turbine Engine
013429919
Nonaircraft Gas Turbine Engine
001994687
Liquid Pump Housing
013432535
Gas Turbine Engine
013448145
Access Cover
013501071
Hydraulic Motor-pump
013537282
Power Supply
013548333
Jet Engine Fuel Pump
013551160
Sling Spreader
013576583
Nonaircraft Gas Turbine Engine Compressor
013580027
Aircraft Access Door
013590360
Gas Turbine Engine Power Unit
013593700
Aircraft Frame
013604743
Ca Adjusting Device
013613503
Aircraft Retractable Step Assembly
013632742
Aircraft Cooling Turbine
013644090
Ball Valve
012783308
Turbine Engine Accessory Drive Gearbox
012794740
Turbine Engine Accessory Drive Gearbox
012798492
Pneumatic Constant Speed Drive
012820281
Aircraft Gearbox Assembly
012836806
Test Adapter
009304709
Radiac Set
012908651
Relay Assembly
012913072
Nozzle Cont Exhaust
002468354
Aircraft Door
001516690
Signal Data Convert
001516721
Signal Data Convert
001523577
Aircraft Towbar
012925539
Positioning Table
012931269
Hoisting Beam
012931475
Cable Retractor
012945239
Ground Handling Equipment Cradle
001556078
Ground Handling Equipment Adapter
012989774
Turbine Engine Gearbox Housing
001633017
Fluid Pressure Regulating Valve
013028332
Aircraft Access Door
013028333
Aircraft Access Door
013044491
Aircraft Access Door
013052238
Aircraft Structural Panel
011684259
Attack Helicopter
013088441
Aircraft Access Door
013134227
Hydraulic Constant Speed Drive
013135292
Jet Engine Fuel Pump
001690161
Aircraft Gas Turbine Engine Reduction Gear Housing
001698878
Signal Data Convert
013169118
Air Conditioning-heating Elbow
013183157
Aircraft Engine Maintenance Fixture
013205405
Aircraft Maintenance Fixture
012422189
Gas Turbine Engine
001753870
Aircraft Door
001758108
Aircraft Door
012428063
Nonaircraft Gas Turbine Engine
012431099
Butterfly Valve
001791284
Butterfly Valve
001800042
Aircraft Door
001883599
Aircraft Engine Build-up Parts Kit
012505560
Butt Hinge
012508685
Guided Missile Wing Assembly
012508686
Guided Missile Wing Assembly
012508687
Guided Missile Maintenance Sling
012514529
Linear Electro-mechanical Actuator
012521075
Air Inlet D Adapter
001335061
Linear Actuating Cylinder Assembly
011069519
Attack Helicopter
011069519
Attack Helicopter
012597092
Control Aft
012611233
Aircraft Door
012616269
Aircraft Door
000331389
Trailer Mounted Diesel Engine Generator Set
012681673
Hydraulic Constant Speed Drive
001390472
Lru Tester
012180143
Turbine Engine Accessory Drive Gearbox
012185661
Rotary Wing Head
012188080
Turbine Engine Accessory Drive Gearbox
001487660
Guided Missile Body Section
012216972
Aircraft Windshield Panel
012216973
Aircraft Windshield Panel
012218834
Aircraft Pylon
012219502
Aircraft Pylon
012223790
Hydraulic Constant Speed Drive
001107556
Battery Charger
001109405
Offset Panel
012276650
Air Turbine Engine Starter
012276669
Jet Engine Anti-icing Valve Assembly
012283396
Power Driven Hydraulic Pumping Unit
012289276
Hydraulic Constant Speed Drive
001181243
Diesel Engine Generator Set
012340762
Scoop Disc Assembly
012340769
Scoop Disc Assembly
012355249
Turbine Engine Accessory Drive Gearbox
001181252
Diesel Engine Generator Set
001181253
Diesel Engine Generator Set
012410074
Nonaircraft Gas Turbine Engine
001213148
Electronic Test Digital Data Analyzer
001233730
Power Driven Hydraulic Pumping Unit
012412308
Gas Turbine Engine
011830211
Pneumatic Constant Speed Drive
011840017
Aircraft Access Door
011840018
Aircraft Access Door
011862533
Aircraft Door
011875519
Pneumatic Constant Speed Drive
011880192
Trunnion Pin
011886040
Power Supply
011887141
Hydraulic System Accessories Manifold
000788247
Fuselage Parts Kit
011916965
Aircraft Pylon
011920846
Jet Engine Fuel Pump
011982048
Aircraft Structural Plate
011982049
Aircraft Structural Plate
011997394
Augmenter Control
000829419
Linear Actuating Cylinder Assembly
011999811
Aircraft Structural Component Support
012060686
Jet Engine Fuel Pump
012080169
Turbine Engine Accessory Drive Gearbox
012128960
Bleed Air Duct Assembly
012129860
Turbine Engine Accessory Drive Gearbox
012133841
Aircraft Mechanical Actuator
012133842
Aircraft Mechanical Actuator
011543533
Gas Turbine Engine
011563935
Linear Actuating Cylinder Assembly
011566089
Radar Transmitter
001025411
Butterfly Valve
006848097
Gas Turbine Engine
001047820
Electromechanical Actuator Testing Machine
011611651
Hydraulic Constant Speed Drive
011634373
Aircraft Fuel Tank Float Valve
011640429
Aircraft Door
011646019
Turbine Engine Accessory Drive Gearbox
011680291
Solenoid Valve
011694763
Aircraft Access Door
011694764
Aircraft Access Door
000632862
Aircraft Mooring Tie Down
011720271
Differential Gear Unit
011795675
Aircraft Door
011806176
Aircraft Fairing
011806177
Aircraft Fairing
011814262
Turbine Engine Accessory Drive Gearbox
000707372
Jet Engine Anti-icing Valve Assembly
000077955
Compressor
011390179
Aircraft Environmental Control Valve Assembly
011396643
Aircraft Submerged Pump
011401623
Turbine Engine Accessory Drive Gearbox
011402105
Air Turbine Engine Starter
011416018
Constant Speed Control Generator-transmission
011416019
Hydraulic Constant Speed Drive
011425637
Aircraft Gas Turbine Engine Reduction Gear Housing
000170581
Semitrailer Mounted Photographic Laboratory
000170582
Photographic Mainte
000170587
Semitrailer Mounted Photographic Laboratory
000170588
Pho Storage Shelter
011505162
Bra Hydraulic Valve
011428094
Servocylinder
011429216
Valve-solenoid
011437832
Valve-solenoid
000215110
Test Adapter Kit
011471756
Pump Cover Assy
011482109
Hydraulic Constant Speed Drive
011490293
Nose Radome Plug
011491450
Aircraft Submerged Pump
011491451
Aircraft Submerged Pump
011491452
Aircraft Submerged Pump
011492746
Radome
000431175
Automatic Gun Feeder
011526305
Linear Electro-mechanical Actuator
011136982
Aircraft Cargo Pallet
011138188
Rotary Wing Blade
011158306
Hydraulic Motor-pump Subassembly
011158307
Multiple Gears Gearshaft
011183600
Hydraulic Constant Speed Drive
011189476
Aircraft Door
014566510
Turbine Engine Accessory Drive Gearbox
011287497
Bleed Air Duct Assembly
011297202
Guided Missile Components Shipping And Storage Container
011316166
Aircraft Windshield Panel
011316167
Aircraft Windshield Panel
000035641
Power Driven Hydraulic Pumping Unit
010934541
Movable Canopy
010934542
Movable Canopy
010944563
Hydraulic Constant Speed Drive
010948505
Head-up Display Unit
010955359
Fluid Pressure Regulating Valve
010973869
Turbine Engine Accessory Drive Gearbox
010988054
Guided Missile Body Section
011036331
Hydraulic Constant Speed Drive
011082779
Movable Canopy
011082780
Movable Canopy
011922478
Attack Helicopter
011098607
Aircraft Pylon
011098608
Aircraft Pylon
011334195
Radio Set
010745152
Gear Box Assembly
010771215
Hydraulic Servovalve
010776049
Mi Support Assembly
011069519
Attack Helicopter
011069519
Attack Helicopter
010881009
Turbine Engine Accessory Drive Gearbox
010897246
Aircraft Engine Build-up Parts Kit
010906953
Nitrogen Ch Adapter
012984537
Turbine Engine Gearbox Housing
010638251
Turbine Assembly
010649503
Aircraft Fairing
013469317
Utility Truck
010659589
Jet Engine Fuel Pump
010683871
Aircraft Engine Build-up Parts Kit
010692334
Aircraft Nosewheel Steering Unit
010696588
Hydraulic Constant Speed Drive
010705760
Fuselage Section
014516320
Antenna
010736472
Valve Assembly
010741222
Mechanical Transmission
010744710
Aircraft Engine Build-up Parts Kit
010537753
Valve Assembly
010539255
Loading Access Unit
010065171
Aircraft Engine Build-up Parts Kit
010562716
Aircraft Submerged Pump
010566467
Nonaircraft Gas Turbine Engine
010612723
Equalizer Assembly
001697137
Observation Helicopter
010459015
Aircraft Hydraulic Valve Assembly
010489580
Air Turbine Engine Starter
010297598
Aircraft Cabin Air Pressure Regulator
010308869
Aircraft Fairing
010334576
Hydraulic Motor-pump
010348976
Constant Speed Drive Governor
010350788
Pressure And Temperature Relief Valve
010360290
Aircraft Rudder
010365903
Aircraft Cooling Turbine
010399098
Aircraft Engine Build-up Parts Kit
010705150
Turbine Engine Gearbox Housing
014566509
Turbine Engine Accessory Drive Gearbox
010218120
Hydraulic Constant Speed Drive
010222634
Aircraft Submerged Pump
010223002
Radar Signal Simulator
010268755
Aircraft Engine Build-up Parts Kit
010282678
Turbine Engine Accessory Drive Gearbox
012830077
Circuit Card Assembly
010055845
Aircraft Cabin Air Pressure Regulator
010061798
Aircraft Cabin Air Pressure Regulator
010063214
Aircraft Cabin Air Pressure Regulator
010074115
Butterfly Valve
010081624
Aircraft Tip
010081625
Aircraft Tip
010092822
Turbine Engine Main Fuel Control
010113440
Aircraft Engine Build-up Parts Kit
013923286
Aircraft Gas Turbine Engine Augmenter Exhaust Nozzle
010118063
Butterfly Valve
010128595
Offset Panel
010132741
Turbine Engine Starting Fuel Control
010101296
Aircraft Engine Build-up Parts Kit
005049112
Attack Helicopter
005049112
Attack Helicopter
009451228
Semitrailer Mounted Photographic Laboratory
009485152
Hydraulic Constant Speed Drive
012348659
Turbine Engine Gearbox Housing
013199032
Trailer Mounted Diesel Engine Generator Set
009030752
7.62 Millimeter Machine Gun Aircraft Armament Pod
009088501
Servocylinder
009097276
Aircraft Tip
011684260
Attack Helicopter
009119775
Radar Set Control
009157445
Retainer Assy
009208756
Aircraft Wing Assembly
008807004
Power Supply
008899323
Slat Door Assembly
008899324
Slat Door Assembly
008997311
7.62 Millimeter Machine Gun Aircraft Armament Pod
008478537
Directional Control Linear Valve
008526384
Air Turbine Engine Starter
011483976
Radio Terminal Set
008151903
Mounted Magnetic Compass
008189170
Rotary Electro-mechanical Actuator
008268284
Power Supply
012348658
Turbine Engine Gearbox Housing
007689642
Crash Seat Assembly
011483977
Radio Terminal Set
007870436
Aircraft Door
007870471
Slat Door Assembly
010204216
Observation Helicopter
007961679
Aircraft Cabin Air Pressure Regulator
007980902
Cowling
007990148
Gas Turbine Engine Power Unit
007328545
Aircraft Windshield Panel
007328546
Aircraft Windshield Panel
007383303
Aircraft Door
007383304
Aircraft Door
007572345
Butterfly Valve
007573862
Hydraulic Constant Speed Drive
007612851
Butterfly Valve
007616266
Wing Landing Flap
007087958
Vehicle Loading Ramp
013537635
Turbo-shaft Aircraft Engine
004651030
Diesel Engine Generator Set
007181254
Axial Pistons Pump Unit
002237548
Radio Set
014524583
Butterfly Valve

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Phone:	+1 470-231-0824
Email:	Contact Form »

Schedule B and Export

Schedule B: 7318160000
SITC: 69421
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Nuts of iron or steel