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 5975-01-110-8425
NSN 5985-00-291-1140
NSN 6110-01-111-7142
NSN 2925-01-391-9247
NSN 6145-01-260-2570
NSN 6145-01-106-6381
NSN 5999-01-129-7951
NSN 2925-01-364-7926
NSN 2925-00-060-8292
NSN 4140-01-357-1922
NSN 6320-01-378-6191
NSN 6220-00-652-3829