Model: 12759-01220

Lock Washer

Special Features:

Material thickness min 2.35mm, max 2.65mm; material spring steel, hrc 44 to 51; demensions din 127b

Properties:

Hole Diameter

Between 12.2 millimeters and 12.7 millimeters

Outside Diameter

21.1 millimeters

Material Thickness

Between 2.3 millimeters and 2.6 millimeters

Part Name Assigned By Controlling Agency

M12 lock washer

Material

Steel

Surface Treatment

Zinc

Surface Treatment Specification

Astm b633, sc1. Type iii national std/spec single treatment response

Style Designator

Split helical-right hand

NSN

5310-01-572-4347

Part Number

12759-01220

Description

Washer,lock

CAGE

0Y3H3

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 12759-01220 NSN 5310-01-572-4347

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:

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:

194120

UFC:

95100

LTL:

70.0

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 8710000090
SITC: 89111
End Use: Military trucks, armored vehicles, etc.
NAICS: 336992
USDA: 1

Freight Class: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons