Model: A4090-1-030

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

Between 0.990 inches and 1.010 inches

Overall Height

Between 0.490 inches and 0.510 inches

Nut Style

Hexagon

Washer Thickness

Between 0.052 inches and 0.072 inches

Width Across Flats

Between 0.740 inches and 0.750 inches

Thread Series

Unc

Thready Qty Per Inch (tpi)

Thread Size

0.500 inches

Material

Steel

NSN

5310-01-367-8954

Part Number

A4090-1-030

Description

Nut,self-locking,extended Washer

CAGE

13800

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 A4090-1-030 NSN 5310-01-367-8954

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