Model: 57A5A30-2

Clinch Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Pilot Diameter

Between 0.187 inches and 0.191 inches

Pilot Length

0.085 inches

Counterbore Diameter

0.139 inches nut and 0.144 inches nut

Counterbore Diameter

0.139 inches and 0.144 inches nut

Lubrication

Soluble lubricant

Nut Style

Clinch

Nut Height

Between 0.220 inches and 0.240 inches

Nut Counterbore Depth

0.075 inches nut

Width Across Flats

Between 0.236 inches and 0.266 inches

Tempurature Rating

450.0 degrees fahrenheit

Thread Series

Unc

Thready Qty Per Inch (tpi)

Thread Size

0.112 inches

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification single treatment response

NSN

5310-00-483-2165

Part Number

57A5A30-2

Description

Nut,self-locking,clinch

CAGE

10001

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 57A5A30-2 NSN 5310-00-483-2165

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