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 5996-01-173-7808
NSN 6150-01-495-4496
NSN 5950-00-310-4316
NSN 5920-01-297-3133
NSN 6145-00-873-4808
NSN 6685-01-411-5969
NSN 5975-00-290-4285
NSN 6320-00-539-9283
NSN 6145-01-389-4350
NSN 5960-01-157-7009
NSN 6240-00-986-8814
NSN 5990-00-922-7317