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

Shouldered Washer

Model / MPN: 138380-1 | NSN: 5310-00-137-3160
ITAR Registered seal

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

Product Details
NATO Stock Number
5310-00-137-3160
Sold in multiples of
DEMIL
NO
Hole Diameter
Between 0.140 inches and 0.146 inches
Shoulder Diameter
Between 0.276 inches and 0.281 inches
Outside Diameter
Between 0.401 inches and 0.406 inches
Shoulder Height
Between 0.050 inches and 0.059 inches
Material Thickness
Between 0.026 inches and 0.030 inches
Material
Plastic polyhexamethylene adipamide or plastic polyhexamethylene sebacamide
Material Specification
L-p-410 federal specification all material responses
Style Designator
Shouldered
138380 Series Parts

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138380-1 Cross Reference