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 5996-00-479-5939
NSN 5915-01-426-8862
NSN 6110-01-436-9740
NSN 6610-00-927-7415
NSN 5925-01-325-6185
NSN 5945-01-421-1808
NSN 6130-01-411-3989
NSN 2925-01-273-4898
NSN 6135-01-508-6083
NSN 5990-01-652-7373
NSN 5975-01-473-5843
NSN 6220-01-228-7106