Hole shape: round; shape: round
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 6685-01-084-8841
NSN 5895-00-630-4556
NSN 5990-01-633-9503
NSN 6110-00-150-7844
NSN 5905-01-207-4683
NSN 5990-00-338-9447
NSN 6620-00-739-4874
NSN 6110-00-934-7943
NSN 6135-00-958-7981
NSN 5998-00-283-4415
NSN 2925-01-415-2140
NSN 5975-01-597-0688