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 5905-01-198-1695
NSN 5965-00-454-8706
NSN 5999-01-177-8863
NSN 5905-01-512-7234
NSN 6685-00-509-8457
NSN 5915-01-425-2303
NSN 5999-01-132-5690
NSN 6645-01-448-1761
NSN 5905-00-043-2667
NSN 5990-00-406-4380
NSN 6645-01-466-2083
NSN 6620-01-586-3456