Model: L79NC4-428

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 0.129 inches and 0.141 inches

Counterbore Diameter

0.280 inches nut

Nut Style

Clinch

Nut Height

Between 0.442 inches and 0.454 inches

Nut Counterbore Depth

0.135 inches nut

Width Across Flats

0.438 inches

Tempurature Rating

250.0 degrees fahrenheit

Thread Series

Unf

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

Material Specification

Aisi assn standard 1st material response locking insert or mil-m-20683 military specification 2nd material response locking insert

Surface Treatment

Passivate nut

NSN

5310-00-936-3012

Part Number

L79NC4-428

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 L79NC4-428 NSN 5310-00-936-3012

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:

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