Model: 4000081

Assembled Washe Self-locking Nut

Properties:

Thread Direction
Right-hand
Locking Feature
Free-running all metal design
Washer Outside Diameter
0.343 inches
Overall Height
0.140 inches
Nut Style
External tooth
Nut Height
0.109 inches
Width Across Flats
0.313 inches
Thread Series
Unc
Thready Qty Per Inch (tpi)
40
Thread Size
0.125 inches
Material
Steel
Surface Treatment
Cadmium
Surface Treatment Specification
50, fscm 77948 mfr ref single treatment response
NSN
5310-00-421-6834
Part Number
4000081
Description
Nut,self-locking,assembled Washe
CAGE

A nut on which has been assembled a nonremovable washer. An integral feature is incorporated for locking on the threads of a mating member.

Part 4000081 NSN 5310-00-421-6834

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29736
FIIG:
A021A0
Concept No.:
1
App. Key:
BG
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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