Model: K310042-13

Extended Washer Self-locking Nut

Special Features:

Slotted equally in six places, bearing surface to form boss 0.002 to 0.004 in. H by 1.400 in. Dia

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Free-running all metal design

Washer Outside Diameter

1.900 inches

Overall Height

0.560 inches

Nut Style

Hexagon

Washer Thickness

0.125 inches

Width Across Flats

Between 1.296 inches and 1.315 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.875 inches

Material

Steel comp e4340

Material Specification

Mil-s-5000 military specification single material response

Surface Treatment

Cadmium

NSN

5310-00-515-7376

Part Number

K310042-13

Description

Nut,self-locking,extended Washer

CAGE

84955

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part K310042-13 NSN 5310-00-515-7376

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29730

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