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Key Washer

Model / MPN: MILW21338 | NSN: 5310-00-008-5904
ITAR Registered seal

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.

Product Details
NATO Stock Number
5310-00-008-5904
Sold in multiples of
10 EA
DEMIL
NO
Hole Diameter
Between 2.973 inches and 3.003 inches
Outside Diameter
Between 3.375 inches and 3.395 inches
Internal Prebent Key Length
Between 0.188 inches and 0.250 inches
External Prebent Key Width
Between 0.297 inches and 0.327 inches
Internal Prebent Key Width
Between 0.280 inches and 0.300 inches
Overall Distance Including Keys
Between 3.892 inches and 3.922 inches
External Key Quantity
19
Material Thickness
Between 0.058 inches and 0.068 inches
Hardness Rating
92.0 rockwell b
Heat Treatment
Normalized
Material
Steel comp 8735
Material Specification
Aisi assn standard single material response
Surface Treatment
Phosphate
Surface Treatment Specification
Mil-c-16232 type 2 military specification single treatment response
Style Designator
Key

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MILW21338 Cross Reference
  • MS19069A15
  • 5310000085904