Model: HK52738-5

Extended Washer Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
Between 0.650 inches and 0.660 inches
Lubrication
Dry film lubricant
Overall Height
0.336 inches
Nut Style
Hexagon
Washer Thickness
Between 0.150 inches and 0.160 inches
Width Across Flats
Between 0.367 inches and 0.376 inches
Tempurature Rating
800.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
24
Thread Size
0.312 inches
Material
Iron alloy 660
Material Specification
Ams 5737 assn standard single material response
Precious Material And Location
All surfaces silver
Precious Material
Silver
Surface Treatment
Silver
Surface Treatment Specification
Qq-s-365 federal specification single treatment response or ams 2410 assn standard single treatment response
NSN
5310-01-419-5015
Part Number
HK52738-5
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 HK52738-5 NSN 5310-01-419-5015

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:
S
ESD:
ESD:
MMAC:
BA
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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