Model: 4031979

Flat Washer

Properties:

Cross Sectional Shape

Rectangular

Hole Diameter

Between 0.560 inches and 0.580 inches

Edge Shape

Round

Center Hole Shape

1 round

Center Hole Shape

Round

Thickness

Between 0.036 inches and 0.038 inches

Overall Diameter

Between 1.048 inches and 1.058 inches

Surface Finish

32.0 microinches bottom

Surface Finish

32.0 microinches top

Material

Steel comp 440c

Material Specification

Ams 5630 assn standard single material response

NSN

5310-00-367-8778

Part Number

4031979

Description

Washer,flat

CAGE

77445

Part 4031979 NSN 5310-00-367-8778

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

13393

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:

50.0

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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