Model: MS21133-07

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.733 inches

Lubrication

Soluble lubricant

Overall Height

0.438 inches

Nut Style

Spline drive

Drive Point Quantity

Washer Thickness

0.048 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

48.0 rockwell c

Thread Size

0.4375 inches

Countersink Angle

85.0 degrees washer

Material

Steel comp 601 or steel comp h11

Material Specification

Ams 6304 assn standard 1st material response or ams 6485 assn standard 2nd material response or ams 6487 assn standard 3rd material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 2 federal specification single treatment response

NSN

5310-01-283-4640

Part Number

MS21133-07

Description

Nut,self-locking,extended Washer

CAGE

96906

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 MS21133-07 NSN 5310-01-283-4640

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: 7318160000
SITC: 69421
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Nuts of iron or steel