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 5990-00-116-6590
NSN 6150-01-317-1901
NSN 2925-01-353-3928
NSN 5996-00-678-8507
NSN 5960-01-112-2321
NSN 6110-00-887-6731
NSN 5996-00-661-1151
NSN 5960-00-785-4274
NSN 6135-01-365-2707
NSN 6685-00-432-8795
NSN 6145-00-043-2874
NSN 5915-01-424-8648