Model: HW51130-4K7

Extended Washer Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
0.460 inches
Overall Height
Between 0.271 inches and 0.291 inches
Nut Style
Hexagon
Width Across Flats
Between 0.274 inches and 0.284 inches
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Hardness Rating
Between 39.0 rockwell c and 45.0 rockwell c
Thread Size
0.2500 inches
Material
Steel comp 1050 washer
Material
Steel comp 4037 nut
Material Specification
Ams5085 assn standard single material response washer
Material Specification
Mil-s-8695 military specification single material response nut
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416 ty2 cl3 federal specification all treatment responses
NSN
5310-01-262-2145
Part Number
HW51130-4K7
Description
Nut,self-locking,extended Washer
CAGE
15653

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 HW51130-4K7 NSN 5310-01-262-2145

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

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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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