Model: 12K3305-7

Key Washer

Properties:

Hole Diameter
Between 0.144 inches and 0.150 inches
Outside Diameter
Between 0.220 inches and 0.240 inches
External Straight Key Width
Between 0.080 inches and 0.100 inches
Material Thickness
Between 0.053 inches and 0.073 inches
Heat Treatment
As fabricated
Material
Steel comp 301
Material Specification
Mil-s-5059 military specification single material response
Distance From Centerline To End Of Key
Between 0.215 inches and 0.235 inches
Style Designator
Key
NSN
5310-00-484-4494
Part Number
12K3305-7
Description
Washer,key
CAGE

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 12K3305-7 NSN 5310-00-484-4494

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:
U
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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