Model: A78-9

Lock Washer

Properties:

Hole Diameter

Between 0.255 inches and 0.267 inches

Outside Diameter

0.489 inches

Material Thickness

Between 0.047 inches and 0.057 inches

Hardness Rating

Between 45.0 rockwell c and 53.0 rockwell c

Material Specification

66 federal standard all material responses or aisi national specification all material responses or sae national specification all material responses

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification single treatment response

Style Designator

Split helical-right hand

Nondefinitive Specification/std Data

1 style and a class

NSN

5310-00-167-0667

Part Number

A78-9

Description

Washer,lock

CAGE

96152

Part A78-9 NSN 5310-00-167-0667

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:

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