Model: H51133-5K7

Extended Washer Self-locking Nut

Properties:

Thread Class

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

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)

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.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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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