Model: 37410

Extended Washer Self-locking Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
Between 0.494 inches and 0.506 inches
Overall Height
Between 0.178 inches and 0.193 inches
Nut Style
Hexagon
End Application
4120-01-585-1564
Width Across Flats
Between 0.423 inches and 0.438 inches
Thread Series
Unc
Thready Qty Per Inch (tpi)
20
Thread Size
0.250 inches
Part Name Assigned By Controlling Agency
1/4"-20 zinc finish grade keps lock nut with external tooth lockwasher
Material
Steel comp 1050 washer
Material
Steel nut
Material Specification
Aisi 1050 or equivalent medium carbon steel assn standard single material response washer
Material Specification
Low carbon steel mfr ref single material response nut
Surface Treatment
Zinc
Surface Treatment Specification
Fe/zn 3at per astm f1941 assn standard single treatment response
NSN
5310-01-619-3657
Part Number
37410
Description
Nut,self-locking,extended Washer
CAGE
43UT5

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 37410 NSN 5310-01-619-3657

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:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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

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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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