Model: AN818-4D

Tube Coupling Nut

Special Features:

Weapon system essential. Grumman a-10 aircraft

Properties:

Thread Class
3b
Thread Direction
Right-hand
Fabrication Method
Any acceptable
Nut Style
Tube coupling
Nut Height
0.620 inches
End Application
B-1 aircraft support equipment. B-52 aircraft support equipment. Tf33-p-3/5/9 (c/ec-135, b-52h) aircraft engine. H-3 helicopter support equipment.
Width Across Flats
0.563 inches
Length To Shoulder
0.532 inches
Smallest Inside Diameter
0.305 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
20
Thread Size
0.438 inches
Tube Outside Diameter
0.250 inches
Criticality Code Justification
Feat
Material
Aluminum alloy
Surface Treatment
Anodize
NSN
4730-00-287-0289
Part Number
AN818-4D
Description
Nut,tube Coupling
CAGE
99237

An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes nut (1), tube coupling, reducing; and nut (1), union.

Part AN818-4D NSN 4730-00-287-0289

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03859
FIIG:
A021A0
Concept No.:
1
App. Key:
CX
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
SX
CRITL:
F

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
ZZ
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
013540
UFC:
05680
LTL:
70.0
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

End Items End applications NSN 4730-00-287-0289 is a component of

  • B-52h) Airc B-1 Aircraft Support Equipment. B-52 Aircraft Support Equipment. Tf33-p-3/5/9 (c/ec-135
  • Eagle F-15 Aircraft
  • H-3 Helicopter Support Equipment
  • B-52 Aircraft Support Equipment
  • B-1 Aircraft Support Equipment
  • Mk-45 5-in./54 Cal Gun
  • Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
  • Ec-135h/k/p) Aircraft Tf33-pw-102 (c-135e Engine
  • B-52h) Aircraft Tf33-p-3/5/9 (c/ec-135 Engine
  • Phoenix (aim-54) Air-to-air Missile
  • Sidewinder (aim-9) Air Intercept Missile
  • Oh 58d Ahip (army Helicopter Improvement Program) Helicopter
  • 011922478
  • Attack Helicopter
  • 011684259
  • Attack Helicopter
  • 010204216
  • Observation Helicopter
  • 014835612
  • Metal Tube Assembly
  • 011690640
  • Metal Tube Assembly
  • 014337063
  • Liquid Fuel Filter-separator
  • 014426185
  • Aircraft Air Conditioning-heating Duct Assembly
  • 014475677
  • Metal Tube Assembly
  • 014476318
  • Metal Tube Assembly
  • 014602947
  • Metal Tube Assembly
  • 014602948
  • Metal Tube Assembly
  • 014728255
  • Metal Tube Assembly
  • 013392365
  • Metal Tube Assembly
  • 013392367
  • Metal Tube Assembly
  • 013392370
  • Metal Tube Assembly
  • 013401654
  • Metal Tube Assembly
  • 013401664
  • Metal Tube Assembly
  • 013401667
  • Metal Tube Assembly
  • 013401675
  • Metal Tube Assembly
  • 013404925
  • Metal Tube Assembly
  • 013406328
  • Hydraulic Drive Unit
  • 013424835
  • Metal Tube Assembly
  • 013429919
  • Nonaircraft Gas Turbine Engine
  • 013455148
  • Metal Tube Assembly
  • 013457532
  • Metal Tube Assembly
  • 013465967
  • Metal Tube Assembly
  • 013465972
  • Metal Tube Assembly
  • 013587558
  • Metal Tube Assembly
  • 013764017
  • Metal Tube Assembly
  • 013990802
  • Metal Tube Assembly
  • 014108321
  • Metal Tube Assembly
  • 014113213
  • Metal Tube Assembly
  • 014182210
  • Aircraft Air Cycle Refrigeration Unit
  • 014184967
  • Butterfly Valve
  • 012791087
  • Hydraulic Drive Unit
  • 012834054
  • Hydraulic Drive Unit
  • 012868831
  • Metal Tube Assembly
  • 012877976
  • Metal Tube Assembly
  • 013016607
  • Metal Tube Assembly
  • 013061268
  • Hydraulic Drive Unit
  • 013111151
  • Branched Electrical Special Purpose Cable Assembly
  • 013226311
  • Hydraulic Drive Unit
  • 012209004
  • Bleed Air Duct Assembly
  • 012240983
  • Aircraft Cabin Air Pressure Regulator
  • 012599997
  • Metal Tube Assembly
  • 011609130
  • Nonmetallic Tubing Assembly
  • 011631555
  • Rigid Nonmetallic Tubing Assembly
  • 011661400
  • Metal Tube Assembly
  • 011979025
  • Metal Tube Assembly
  • 014914164
  • Metallic Bent Tube
  • 001697137
  • Observation Helicopter
  • 011453870
  • Radar Set Subassembly
  • 010833692
  • Radar Receiver-transmitter
  • 010882852
  • Electrical Receptacle Connector
  • 010900569
  • Tank Truck
  • 011002519
  • Metal Tube Assembly
  • 011041431
  • Metal Tube Assembly
  • 011123297
  • Aircraft Air Conditioning-heating Duct Assembly
  • 011123793
  • Tank Truck
  • 011165001
  • Metal Tube Assembly
  • 010564844
  • Fixed Canopy
  • 010381577
  • Electrical Plug Connector
  • 010407500
  • Electrical Receptacle Connector
  • 010418667
  • Ammunition Feed Electrohydraulic Drive Assembly
  • 010423305
  • Power Distribution Panel
  • 010461383
  • Hydraulic System Components Test Stand
  • 009977781
  • Aircraft Air Conditioning-heating Duct Assembly
  • 009994994
  • Aircraft Fuel Tank
  • 010037393
  • Butterfly Valve
  • 005049112
  • Attack Helicopter
  • 005049112
  • Attack Helicopter
  • 010883669
  • Cargo-transport Helicopter
  • 010163213
  • Detonating Cord Assembly
  • 010174040
  • Detonating Cord Assembly
  • 010188267
  • Head-up Display Unit
  • 009037371
  • Tank Truck
  • 009306116
  • Aircraft Fuel Tank
  • 011672998
  • Metal Tube Assembly
  • 009497828
  • Pneumatic System Components Test Set
  • 009532697
  • Rotary Compressor Unit
  • 009755446
  • Automatic Pilot Test Set
  • 007043956
  • Aircraft Cabin Air Pressure Regulator
  • 007248823
  • Semitrailer Mounted Engine Test Stand
  • 007572345
  • Butterfly Valve
  • 007604136
  • Butterfly Valve
  • 007745556
  • Electrical Equipment Rack
  • 007832389
  • Aircraft Fuel Tank Float Valve
  • 007872584
  • Propelle Test Stand
  • 007892911
  • Filter E Test Stand
  • 013791483
  • Metal Tube Assembly
  • 007907267
  • Aircraft Door
  • 007961679
  • Aircraft Cabin Air Pressure Regulator
  • 007961681
  • Aircraft Environmental Control Valve Assembly
  • 006108801
  • Pressure Calibrator
  • 006109686
  • Aircraft Cabin Air Pressure Regulator
  • 011684260
  • Attack Helicopter
  • 006634138
  • Vertical Velocity Indicator
  • 006754239
  • Electric And Hydraulic System Components Test Stand
  • 006935901
  • Aircraft Engine Test Set
  • 013455149
  • Metal Tube Assembly
  • 013457533
  • Metal Tube Assembly
  • 014503996
  • Metal Tube Assembly
  • 005736482
  • Aircraft Environmental Control Valve Assembly
  • 014870427
  • Metal Tube Assembly
  • 004335484
  • Oil Temperature Control Valve Test Stand
  • 004446407
  • Indicator Test Set
  • 002742701
  • Reciprocating Compressor Unit
  • 002796328
  • Fire Fighting Monitor Type Nozzle
  • 002838239
  • Bell Crank
  • 002886183
  • Fir Nozzle Assembly
  • 002989299
  • Aircraft Na Housing
  • 003084385
  • Aircraft Door
  • 001463788
  • Radar Transmitter
  • 001633637
  • Electrical Plug Connector
  • 001706666
  • Aircraft Fuel Tank
  • 001827719
  • Portable Combustible Gas Indicator Set
  • 001901396
  • Vertical Velocity Indicator
  • 001901414
  • Vertical Velocity Indicator
  • 013392356
  • Metal Tube Assembly
  • 013392360
  • Metal Tube Assembly
  • 013392362
  • Metal Tube Assembly
  • 000342238
  • Pneumatic System Components Test Set
  • 000660581
  • Aircraft Components Test Set Subassembly
  • 000846708
  • Aircraft Cabin Air Pressure Regulator
  • 001038179
  • Interface Device Panel
  • 001106835
  • Metal Tube Assembly
  • 001106884
  • Metal Tube Assembly
  • 013401653
  • Metal Tube Assembly
  • 013401669
  • Metal Tube Assembly
  • 014929321
  • Metal Tube Assembly
  • 013433464
  • Metal Tube Assembly
  • 013433465
  • Metal Tube Assembly
  • 014803262
  • Metal Tube Assembly
  • 014186654
  • Full Tracked Personnel Carrier

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Schedule B and Export
  • Schedule B: 7609000000
  • SITC: 68427
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Freight Class: Aluminum tube or pipe fittings (couplings,elbows sleeves)

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