Model: L79NC2-428

Clinch Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque with nonmetallic insert

Pilot Diameter

Between 0.349 inches and 0.352 inches

Pilot Length

0.085 inches

Counterbore Diameter

0.280 inches first end

Nut Style

Clinch

Nut Height

0.398 inches

Nut Counterbore Depth

0.080 inches first end

Width Across Flats

Between 0.428 inches and 0.448 inches

Tempurature Rating

250.0 degrees fahrenheit

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Material

Plastic polyhexamethylene adipamide locking insert

Material

Steel comp 303 except insert

Material Specification

Aisi grade 303 assn standard single material response except insert

Material Specification

Mil-m-20693, comp a, type 2 military specification single material response locking insert

Surface Treatment

Passivate except insert

Surface Treatment Specification

Qq-p-35 federal specification single treatment response except insert

NSN

5310-01-321-2433

Part Number

L79NC2-428

Description

Nut,self-locking,clinch

CAGE

27687

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 L79NC2-428 NSN 5310-01-321-2433

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:

0.1000lbs

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:

000000

UFC:

00000

LTL:

NO RATING

LCL:

WCC:

772

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