Model: H41-4

Extended Washer Self-locking Nut

Special Features:

Flight safety critical aircraft part

Properties:

Thread Class
3b
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)
28
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
H41-4
Description
Nut,self-locking,extended Washer
CAGE

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 H41-4 NSN 5310-00-844-4872

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29730
FIIG:
A021A0
Concept No.:
1
App. Key:
BT
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:
S
ESD:
ESD:
MMAC:
SX
CRITL:
F

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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

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  • Hydraulic Constant Speed Drive
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  • Radar Signal Simulator
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  • Turbine Engine Accessory Drive Gearbox
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  • Circuit Card Assembly
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  • Aircraft Cabin Air Pressure Regulator
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  • Aircraft Gas Turbine Engine Augmenter Exhaust Nozzle
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  • Butterfly Valve
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  • Offset Panel
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  • Aircraft Engine Build-up Parts Kit
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  • Attack Helicopter
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  • Attack Helicopter
  • 009451228
  • Semitrailer Mounted Photographic Laboratory
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  • Hydraulic Constant Speed Drive
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  • Turbine Engine Gearbox Housing
  • 013199032
  • Trailer Mounted Diesel Engine Generator Set
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  • 7.62 Millimeter Machine Gun Aircraft Armament Pod
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  • Servocylinder
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  • Aircraft Tip
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  • Attack Helicopter
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  • 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
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  • 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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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

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