Model: MS21043-6

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.620 inches

Counterbore Diameter

0.375 inches nut and 0.405 inches nut

Lubrication

Soluble lubricant

Overall Height

Between 0.267 inches and 0.282 inches

Nut Style

Hexagon

Washer Thickness

0.030 inches

Nut Counterbore Depth

0.008 inches nut and 0.042 inches nut

Width Across Flats

Between 0.430 inches and 0.440 inches

Tempurature Rating

800.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.375 inches

Material

Iron alloy 660

Material Specification

Ams 5525 assn standard single material response or ams 5731 assn standard single material response or ams 5732 assn standard single material response

Precious Material And Location

External surface silver

Precious Material

Silver

Surface Treatment

Silver

Surface Treatment Specification

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

NSN

5310-00-881-0943

Part Number

MS21043-6

Description

Nut,self-locking,extended Washer

CAGE

0ZBE8

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 MS21043-6 NSN 5310-00-881-0943

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 5310-00-881-0943 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
B-1b Aircraft Trainer
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
Harpoon (agm-84) All-weather Anti-ship Missile
T56-a-7/15 (c-130b/e/h/n/p) Aircraft Engine
Ah 64 Airframe (rotary Wing Aircraft)
010973869
Turbine Engine Accessory Drive Gearbox
010604443
Air Turbine Engine Starter
010113440
Aircraft Engine Build-up Parts Kit
014858326
Metering And Distributing Fuel Pump
000632862
Aircraft Mooring Tie Down
007228173
Aircraft Door
011684260
Attack Helicopter
005049112
Attack Helicopter
004162050
Radio Frequency Radiation Absorber
005049112
Attack Helicopter
005049112
Attack Helicopter
005049112
Attack Helicopter
002523421
Alternating Current Generator
003132466
Rotary Pump
012935556
Optical Instrument Mirror
013968856
Aircraft Engine Maintenance Fixture
013982784
Aircraft Toilet
013073041
Aircraft Engine Maintenance Fixture
014067354
Centrifugal Fan
013139949
Test Adapter
013205405
Aircraft Maintenance Fixture
013548333
Jet Engine Fuel Pump
000215110
Test Adapter Kit
013135292
Jet Engine Fuel Pump
012355249
Turbine Engine Accessory Drive Gearbox
013711112
Crankshaf Link Assy
000056860
Signal Data Converter
013062121
Special Slider
013663010
Hoisting Adapter
013923851
Aircraft Heater
013155146
Hand Truck
013787732
Material Handling Roller
000504989
Aircraft Hydraulic Valve Assembly
013916455
Aircraft Cargo Tie Down
011431150
Landing Gear Drag Brace
012621418
Engine Generator Stator
011526387
Aircraft Structural Panel
000754950
Electronic Circuit Plug-in Unit Test Set
012080169
Turbine Engine Accessory Drive Gearbox
011416018
Constant Speed Control Generator-transmission
011922478
Attack Helicopter
012381574
Rigid Caster
011526388
Aircraft Structural Panel
011780487
Air Turbine Drive Unit
011482109
Hydraulic Constant Speed Drive
011431151
Landing Gear Drag Brace
010939090
Aircraft Door
011139489
Aircraft Door
011183600
Hydraulic Constant Speed Drive
010223002
Radar Signal Simulator
010268755
Aircraft Engine Build-up Parts Kit
010350787
Temperature Regulating Valve
011684259
Attack Helicopter
010218120
Hydraulic Constant Speed Drive
010099312
Generator Rotor
009948795
Guided Missile Equipment Truck
011035641
Air-antitank Defense Missile System Carrier
011035641
Air-antitank Defense Missile System Carrier
008357488
Aircraft Engine Build-up Parts Kit
011069519
Attack Helicopter
009304709
Radiac Set
011035641
Air-antitank Defense Missile System Carrier
011069519
Attack Helicopter
011035641
Air-antitank Defense Missile System Carrier
005749991
Aircraft Engine Build-up Parts Kit
007636251
Circuit Card Assembly
004766101
Turbine Engine Accessory Drive Gearbox
004507783
Aircraft Engine Starter-generator
001599013
Turbine Engine Accessory Drive Gearbox
001758110
Aircraft Door
001758109
Aircraft Door
002291715
Alternating Current Generator
001758112
Aircraft Door
001993617
Generator Stator
001332600
Aircraft Hydraulic/pneumatic Servomechanism
013540596
Nonexpandable Shelter
013610769
Synchro Adapter
001085772
Turbine Engine Accessory Drive Gearbox
013663009
Hoisting Adapter
014362911
Aircraft Engine Maintenance Fixture
014592376
Mounting Plate
014543795
Aircraft Wheel Maintenance Stand
012605444
Ground Handling Equipment Adapter
013575083
Rotary Pump Unit
014443628
Nonaircraft Gas Turbine Engine
014603938
Antenna Support Base
013942012
Aircraft Maintenance Kit
011611651
Hydraulic Constant Speed Drive
011814262
Turbine Engine Accessory Drive Gearbox
012940928
Aircraft Maintenance Fixture
011069519
Attack Helicopter
011646019
Turbine Engine Accessory Drive Gearbox
011887141
Hydraulic System Accessories Manifold
011890256
Trunnion Pin
011920847
Metering And Distributing Fuel Pump
011950479
Angle Drive Unit
011402105
Air Turbine Engine Starter
011360549
Hydraulic Constant Speed Drive
010692339
Tes Nozzle Assembly
011948153
Air Turbine Engine Starter
010744710
Aircraft Engine Build-up Parts Kit
011401623
Turbine Engine Accessory Drive Gearbox
011428094
Servocylinder
010683871
Aircraft Engine Build-up Parts Kit
010939089
Aircraft Door
011069519
Attack Helicopter
011069519
Attack Helicopter
010897246
Aircraft Engine Build-up Parts Kit
010399098
Aircraft Engine Build-up Parts Kit
011069519
Attack Helicopter

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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