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 5905-01-477-3308
NSN 5999-01-514-7439
NSN 5950-01-591-5602
NSN 2925-01-627-6568
NSN 6620-01-490-5664
NSN 6650-01-406-7141
NSN
NSN 5999-00-549-1373
NSN 6220-01-603-0400
NSN 5935-00-113-5171
NSN 2925-01-172-6757
NSN 6110-00-100-4775