Model: 638833

Clinch Self-locking Nut

Properties:

Thread Class

3bg

Thread Direction

Right-hand

Distance From Centerline To Flat

Between 0.292 inches and 0.298 inches

Locking Feature

Prevailing torque all metal design

Pilot Diameter

Between 0.372 inches and 0.376 inches

Pilot Length

Between 0.086 inches and 0.092 inches

Nut Style

Clinch

Nut Diameter

Between 0.514 inches and 0.544 inches

Nut Height

Between 0.439 inches and 0.448 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.312 inches

Material

Iron alloy 660

Material Specification

Ams 5735 assn standard single material response

NSN

5310-00-149-8522

Part Number

638833

Description

Nut,self-locking,clinch

CAGE

77445

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 638833 NSN 5310-00-149-8522

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:

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