Model: DIN127-B12-A4C

Lock Washer

Properties:

Hole Diameter

Between 12.2 millimeters and 12.7 millimeters

Outside Diameter

21.1 millimeters

Material Thickness

Between 2.35 millimeters and 2.65 millimeters

End Application

Medium mine protected vehicle - mmpv

Hardness Rating

Between 44.0 rockwell c and 51.0 rockwell c

Material

Steel

Surface Treatment

Zinc and chromate

Surface Treatment Specification

Din267, sheet 9, code a4 national specification 1st treatment response and din50941, process group c national specification 2nd treatment response

Style Designator

Split helical-right hand

NSN

5310-01-264-9409

Part Number

DIN127-B12-A4C

Description

Washer,lock

CAGE

D8286

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 DIN127-B12-A4C NSN 5310-01-264-9409

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:

0.9000lbs

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:

194160

UFC:

55210

LTL:

50.0

LCL:

WCC:

713

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