Model: 124D91

Extended Washer Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
Between 0.740 inches and 0.760 inches
Overall Height
Between 0.390 inches and 0.410 inches
Nut Style
Hexagon
Washer Thickness
Between 0.050 inches and 0.070 inches
Width Across Flats
Between 0.493 inches and 0.500 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
24
Hardness Rating
Between 19.0 rockwell c and 26.0 rockwell c
Thread Size
0.312 inches
Material
Steel comp 8740 or steel comp 4140
Material Specification
Ams 6322 assn standard 1st material response or ams 6382 assn standard 2nd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ams 2400 assn standard single treatment response
NSN
5310-00-514-8821
Part Number
124D91
Description
Nut,self-locking,extended Washer
CAGE
0AHP5

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 124D91 NSN 5310-00-514-8821

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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