A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.
Classification: Other articles of iron or steel not wire nesoi
NSN 2925-01-116-6838
NSN 5905-01-247-6198
NSN 5925-00-837-9467
NSN 5996-01-356-0324
NSN 4140-01-160-1742
NSN 5960-01-367-0981
NSN 5910-01-429-1059
NSN 6685-01-133-3298
NSN 5965-00-337-0777
NSN 6620-01-127-0049
NSN 6610-01-418-5787
NSN 5965-01-367-7380