Model: 76231C-1812

Extended Washer Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
2.050 inches
Lubrication
Dry film lubricant
Overall Height
1.570 inches
Nut Style
Double hexagon
Washer Thickness
0.115 inches
Width Across Flats
1.628 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
12
Thread Size
1.125 inches
Countersink Angle
90.0 degrees both ends
Material
Nickel alloy 718
Material Specification
Ams 5662 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416 ty2 cl1 federal specification single treatment response
NSN
5310-01-147-0318
Part Number
76231C-1812
Description
Nut,self-locking,extended Washer
CAGE
56878

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 76231C-1812 NSN 5310-01-147-0318

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 7508900000
  • SITC: 69975
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)

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