Model: A53540-1

Key Washer

Special Features:

Dwg title, washer, tab lock

Properties:

Hole Diameter
Between 1.511 inches and 1.514 inches
Outside Diameter
1.825 inches
External Straight Key Width
Between 0.205 inches and 0.210 inches
Internal Straight Key Width
0.062 inches
Distance From Centerline To Top Of Internal Key
Between 0.650 inches and 0.655 inches
Overall Distance Including Keys
2.075 inches
External Key Quantity
16
Internal Key Quantity
1
Material Thickness
Between 0.029 inches and 0.033 inches
End Application
Pacer dawn
Material
Steel comp 304
Material Specification
Mil-s-5059 military specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
E+3204 mfr ref single treatment response
Style Designator
Key
NSN
5310-01-447-9888
Part Number
A53540-1
Description
Washer,key
CAGE
94697

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.

Part A53540-1 NSN 5310-01-447-9888

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01869
FIIG:
A022B0
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 7318220000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Washers other than lock washers, iron or steel

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