Model: DIN128-B4-1.431 0

Spring Tension Washer

Special Features:

Split from id to outer periphery

Properties:

Hole Diameter

Between 4.1 millimeters and 4.4 millimeters

Outside Diameter

7.6 millimeters

Overall Height

Between 1.2 millimeters and 1.4 millimeters

Material Thickness

Between 0.7 millimeters and 0.9 millimeters

Hardness Rating

Between 82.0 rockwell superficial 15-n and 85.5 rockwell superficial 15-n

Material

Steel comp 1070 or steel comp 1074 or steel comp 1080 or steel comp 1085 or steel comp 1086 or steel comp 1095

Material Specification

Astm a682 assn standard all material responses

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification single treatment response or mil-c-81562, type 2, cl 2 military specification single treatment response

Style Designator

Spring tension

NSN

5310-01-388-9129

Part Number

DIN128-B4-1.431 0

Description

Washer,spring Tension

CAGE

D9182

A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

Part DIN128-B4-1.431 0 NSN 5310-01-388-9129

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15938

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:

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