Model: H51133-5K7

Extended Washer Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
Between 0.532 inches and 0.538 inches
Counterbore Diameter
0.346 inches washer and 0.350 inches washer
Lubrication
Soluble lubricant
Overall Height
0.425 inches
Nut Style
Spline drive
Drive Point Quantity
8
Washer Thickness
Between 0.117 inches and 0.127 inches
Nut Counterbore Depth
0.117 inches washer and 0.127 inches washer
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
24
Thread Size
0.312 inches
Material
Aluminum alloy 7075
Material Specification
Qq-a-250/13, t73 uns a97075 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type 2, class 2 military specification single treatment response
Supplementary Features
Color code blue; spline size 12 u/w standard k-fast tool; u/o 1/64 in. Or 1/32 in. Oversize shank bolts; locking torque 30.0 in-lb; 5550 lb min tensile; tamper proof shear design
NSN
5310-01-268-3885
Part Number
H51133-5K7
Description
Nut,self-locking,extended Washer
CAGE
15653

A nut, circular in shape, having wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery. It has an integral washer which extends beyond the wrenching element periphery and an integral feature is incorporated for locking on the threads of a mating member.

Part H51133-5K7 NSN 5310-01-268-3885

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
36744
FIIG:
A021A0
Concept No.:
1
App. Key:
BS
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: 7616995095
  • SITC: 69979
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Articles of aluminum nesoi

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