Model: 12387269-41

Lock Washer

Properties:

Hole Diameter

Between 0.320 inches and 0.332 inches

Outside Diameter

Between 0.594 inches and 0.610 inches

Material Thickness

Between 0.028 inches and 0.034 inches

Hardness Rating

Between 40.0 rockwell c and 50.0 rockwell c

Material

Steel comp 1050 or steel comp 1053 or steel comp 1054 or steel comp 1055 or steel comp 1059 or steel comp 1060 or steel comp 1062 or steel comp 1064

Material Specification

66 federal standard all material responses

Surface Treatment

Zinc and chromate

Surface Treatment Specification

Astm b633 ty2 assn standard single treatment response

Style Designator

Flat internal teeth

Nondefinitive Specification/std Data

1 type and a grade

NSN

5310-01-389-1725

Part Number

12387269-41

Description

Washer,lock

CAGE

19207

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Part 12387269-41 NSN 5310-01-389-1725

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

14218

FIIG:

A022B0

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:

576

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318210000
SITC: 69422
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Spring washers and other lock washers, iron or steel