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

Shouldered Washer

Model / MPN: 3198712 | NSN: 5310-00-156-0665
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
5310-00-156-0665
Sold in multiples of
1 EA
DEMIL
NO
Hole Diameter
Between 0.577 inches and 0.586 inches
Shoulder Diameter
Between 0.650 inches and 0.655 inches
Outside Diameter
Between 0.800 inches and 0.810 inches
Shoulder Height
Between 0.025 inches and 0.030 inches
Material Thickness
Between 0.095 inches and 0.105 inches
Hardness Rating
Between 36.0 rockwell c and 40.0 rockwell c
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 4130
Style Designator
Shouldered
31987 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E819T7571 Washer, Shouldered 1 EA 03/13/2019

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3198712 Cross Reference