Model: 79NC3-040

Clinch Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque with nonmetallic insert

Pilot Diameter

Between 0.357 inches and 0.361 inches

Pilot Length

Between 0.099 inches and 0.111 inches

Lubrication

Soluble lubricant

Nut Style

Clinch

Nut Height

Between 0.412 inches and 0.424 inches

Nut Counterbore Depth

0.105 inches nut

Width Across Flats

0.438 inches

Tempurature Rating

250.0 degrees fahrenheit

Thread Series

Unc

Thready Qty Per Inch (tpi)

Thread Size

0.250 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 5604 assn standard 2nd material response nut

Material Specification

Mil-m-20693 military specification 1st material response locking insert

Surface Treatment

Passivate except insert

NSN

5310-00-828-7648

Part Number

79NC3-040

Description

Nut,self-locking,clinch

CAGE

019L2

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 79NC3-040 NSN 5310-00-828-7648

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