Model: H55331-4

Extended Washer Self-locking Nut
Description:

3b thread class, right-hand , prevailing torque all metal design locking feature, 0.440 inches washer outside diameter, 0.276 inches nut counterbore diameter.

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
0.440 inches
Counterbore Diameter
0.276 inches nut
Lubrication
Dry film lubricant
Overall Height
0.458 inches
Nut Style
Double hexagon
Washer Thickness
0.180 inches
Nut Counterbore Depth
0.130 inches nut
Width Across Flats
Between 0.305 inches and 0.313 inches
Tempurature Rating
850.0 degrees fahrenheit
Thread Series
Unf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Material
Steel
Material Specification
Ams 5709 assn standard single material response
Precious Material
Silver
NSN
5310-00-009-2681
Part Number
H55331-4
Description
Nut,self-locking,extended Washer
CAGE
15653

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part H55331-4 NSN 5310-00-009-2681

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29729
FIIG:
A021A0
Concept No.:
1
App. Key:
BS
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:
NY
CRITL:
X

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:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

End Items End applications NSN 5310-00-009-2681 is a component of

  • C-5 Aircraft Support Equipment
  • Marine Gas Turbine Lm-2500 Engine
  • Tf39-ge-1 (c-5a) Aircraft Engine
  • Ticonderoga Class Cg (47)
  • Spruance Class Dd (963)
  • Oliver Perry Class Ffg
  • 014086307
  • Aircraft Gas Turbine Engine Turbine Case And Nozzle Assembly
  • 010031162
  • Aircraft Gas Turbine Engine Turbine Case And Nozzle Assembly
  • 014086306
  • Aircraft Gas Turbine Engine Turbine Case And Nozzle Assembly

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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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