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Worldwide distributor of NSN parts and consumables located in the USA.

Lock Washer

Model / MPN: 138540 | NSN: 5310-00-013-8540
ITAR Registered seal

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Product Details
NATO Stock Number
5310-00-013-8540
Sold in multiples of
DEMIL
NO
Hole Diameter
Between 0.318 inches and 0.333 inches
Outside Diameter
Between 0.594 inches and 0.610 inches
Material Thickness
Between 0.020 inches and 0.025 inches
Surface Treatment
Phosphate
Style Designator
Flat internal teeth
Nondefinitive Specification/std Data
A type

Pricing and Availability

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138540 Cross Reference
  • MS35333-58
  • 138540
  • 0740791
  • A10655
  • 138540