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 6620-00-371-7109
NSN 6685-01-444-1496
NSN 6145-01-194-8544
NSN 2925-01-024-2662
NSN 6110-00-930-6878
NSN 6685-01-228-5332
NSN 5945-01-247-7414
NSN 5950-00-026-9416
NSN 6240-01-390-8672
NSN 5999-01-648-6347
NSN 6145-01-634-0388
NSN 5925-01-351-2873