Model: 03A257-4P

Flat Washer

Properties:

Cross Sectional Shape

Rectangular

Hole Diameter

Between 0.251 inches and 0.255 inches

Edge Shape

Round

Center Hole Shape

1 round

Thickness

Between 0.057 inches and 0.069 inches

Overall Diameter

Between 0.460 inches and 0.470 inches

Material

Iron alloy 660 or nickel alloy 718

Material Specification

Ams 5525 assn standard 1st material response or ams 5737 assn standard 1st material response or ams5596 assn standard 2nd material response or ams 5597 assn standard 2nd material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 2 federal specification single treatment response

NSN

5310-01-385-3788

Part Number

03A257-4P

Description

Washer,flat

CAGE

76823

Part 03A257-4P NSN 5310-01-385-3788

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:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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