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.
NSN 6220-00-497-3139
NSN 5910-01-272-7295
NSN 5960-00-025-7353
NSN 6130-01-317-4998
NSN 2925-01-460-1601
NSN 6645-01-461-4688
NSN 6620-00-988-0976
NSN 6620-01-373-0174
NSN 6320-01-382-9676
NSN 6135-00-444-1402
NSN 5965-00-959-8162
NSN 6240-01-450-6219