Model: RT-207036

Key Washer

Special Features:

Center hole shape, round w/flats, wth 0.250 nom in. Across rounded flats, wth 0.205 nom across flats

Properties:

Hole Diameter
Between 0.249 inches and 0.254 inches
Outside Diameter
0.400 inches
External Prebent Key Length
0.120 inches
External Prebent Key Width
Between 0.059 inches and 0.070 inches
Distance From Centerline To Inside Of Prebent Key
Between 0.246 inches and 0.254 inches
Overall Distance Including Keys
Between 0.446 inches and 0.454 inches
Material Thickness
Between 0.022 inches and 0.028 inches
Color
Black
Material
Steel comp 303
Surface Treatment
Oxide
Surface Treatment Specification
Mil-std-171, 3.3.4 military standard single treatment response
Style Designator
Key
NSN
5310-01-158-3544
Part Number
RT-207036
Description
Washer,key
CAGE
13567

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 RT-207036 NSN 5310-01-158-3544

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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