Model: 03A137-3P

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

Between 0.355 inches and 0.365 inches

Counterbore Diameter

0.224 inches nut and 0.228 inches nut

Lubrication

Soluble lubricant

Overall Height

0.280 inches

Nut Style

Hexagon

Washer Thickness

Between 0.085 inches and 0.095 inches

Nut Counterbore Depth

0.102 inches nut and 0.122 inches nut

Width Across Flats

Between 0.243 inches and 0.251 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.190 inches

Material

Iron alloy 660 nut

Material

Iron alloy 660 washer

Material Specification

Ams 5731 assn standard single material response nut

Material Specification

Ams 5731 assn standard single material response washer

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification single treatment response

NSN

5310-01-359-4648

Part Number

03A137-3P

Description

Nut,self-locking,extended Washer

CAGE

1W025

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 03A137-3P NSN 5310-01-359-4648

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:

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