Model: MS21045-4S

Hexagon Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Lubrication

Soluble lubricant

Nut Height

Between 0.240 inches and 0.328 inches

End Application

6115-01-317-2139

Width Across Flats

Between 0.430 inches and 0.439 inches

Tempurature Rating

450.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Bearing Surface Type

Chamfered or washer faced

Bearing Surface Finish

125.0 microinches

Material

Steel comp 1008 or steel comp 1010 or steel comp 1015 or steel comp 1018 or steel comp 1021 or steel comp 1022 or steel comp 1030 or steel comp 1035 or steel comp 1045 or steel comp 1110 or steel comp 1117 or steel comp 1118 or steel comp 1137 or steel comp 1213 or steel comp 8740

Material Specification

Astm a29 assn standard 1st material response or ams 5050 assn standard 2nd material response or ams 5060 assn standard 3rd material response or ams 5069 assn standard 4th material response or ams 5070 assn standard 5th material response or ams 5080 assn standard 5th material response or ams 5022 assn standard 7th material response or ams 5024 assn standard 8th material response or ams 5020 assn standard 9th material response or ams 6322 assn standard 10th material response

Surface Treatment

Cadmium

Surface Treatment Specification

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

NSN

5310-01-473-1810

Part Number

MS21045-4S

Description

Nut,self-locking,hexagon

CAGE

96906

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Part MS21045-4S NSN 5310-01-473-1810

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05277

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

ACC:

Construction Materials

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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