Model: AS9581

Key Washer

Properties:

Hole Diameter
Between 0.390 inches and 0.395 inches
Outside Diameter
Between 0.560 inches and 0.570 inches
External Prebent Key Length
Between 0.020 inches and 0.040 inches
External Tapered Key Width
Between 0.320 inches and 0.330 inches
External Prebent Key Width
Between 0.140 inches and 0.145 inches
Distance From Centerline To Inside Of Prebent Key
Between 0.365 inches and 0.375 inches
Material Thickness
0.005 inches
Angle Between External Keys
Between 58.0 degrees and 62.0 degrees
External Prebent Key Angle
Between 10.0 degrees and 20.0 degrees
Material
Steel comp 321
Material Specification
Ams 5510 assn standard single material response
Style Designator
90 degree locking key
NSN
5310-01-591-1373
Part Number
AS9581
Description
Washer,key
CAGE
81343

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 AS9581 NSN 5310-01-591-1373

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:
A
ESD:
A
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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