Model: 61140-428-2

Clinch Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

24.0 rockwell c

Thread Size

0.250 inches

Material

Iron alloy 660

Material Specification

Ams 5735 assn standard single material response

Surface Treatment

Silver

Surface Treatment Specification

Ams 2411 0.0003 to 0.0006 in. Thk assn standard single treatment response

NSN

5310-00-245-4581

Part Number

61140-428-2

Description

Nut,self-locking,clinch

CAGE

56878

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 61140-428-2 NSN 5310-00-245-4581

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