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

Lock Washer

Model / MPN: 5640340 | NSN: 5310-01-398-3674
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
5310-01-398-3674
Sold in multiples of
1 EA
DEMIL
NO
Hole Diameter
Between 0.380 inches and 0.390 inches
Outside Diameter
0.683 inches
Material Thickness
0.141 inches
Color
Yellow
Material
Steel
Surface Treatment
Zinc and chromate
Style Designator
Split helical-right hand

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5640340 Cross Reference