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 2925-01-157-9204
NSN 6320-01-039-5891
NSN 5960-00-834-4045
NSN 7035-00-890-7649
NSN 6620-01-397-8683
NSN 6645-00-522-4173
NSN 5996-00-230-5550
NSN 5965-01-010-1258
NSN 4140-00-457-2510
NSN 5990-00-399-9241
NSN 6685-00-675-9797
NSN 5930-01-476-8195