Model: M45938/8-21C

Clinch Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque with nonmetallic insert

Pilot Diameter

0.222 inches

Pilot Length

0.085 inches

Counterbore Diameter

0.165 inches nut

Lubrication

Soluble lubricant

Nut Style

Clinch

Nut Height

0.273 inches

Nut Counterbore Depth

0.080 inches nut

End Application

Helicopter, search and rescue, hh-60h; spruance class dd (963); helicopter, carrier based asw, sh-60f; helicopter, advance attack, ah-1w; helicopter, uscg search and rescue, hh-60j; forrestal class cv; milstar system; radio terminal, digital troposcatter (an/trc-170); ticonderoga class cg (47); helicopter, mh-53e; tarawa class lha

Width Across Flats

0.313 inches

Tempurature Rating

250.0 degrees fahrenheit

Thread Series

Unjc

Thready Qty Per Inch (tpi)

Thread Size

0.138 inches

Material

Plastic polyhexamethylene amide locking insert or plastic polycaprolactam locking insert

Material

Steel comp 303 nut or steel comp 303se nut or steel comp 303 plus x nut

Material Specification

Ams 5640 assn standard single material response nut

Material Specification

Mil-m-20693 military specification all material responses locking insert

Surface Treatment

Passivate except insert

NSN

5310-00-616-8242

Part Number

M45938/8-21C

Description

Nut,self-locking,clinch

CAGE

81349

A nut having a sleeve portion on its under side, which can be crimped or clinched to hold the item in place when inserted in a hole. An integral feature is incorporated for locking.

Part M45938/8-21C NSN 5310-00-616-8242

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15892

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

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