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 2925-01-101-4188
NSN 6150-01-074-4871
NSN 6645-01-469-2458
NSN 4140-00-720-4993
NSN 5855-00-427-7848
NSN 5910-00-176-3234
NSN 6685-01-556-3449
NSN 2925-00-397-4781
NSN 5985-00-238-2595
NSN 6620-00-058-5225
NSN 5999-01-242-3012
NSN 6240-00-304-7015