Hole shape: round; outside 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 6220-01-655-5802
NSN 5996-01-542-9499
NSN 4140-01-573-7272
NSN 6150-01-340-9460
NSN 7035-01-333-4203
NSN 2925-00-221-8529
NSN 6110-01-576-3337
NSN 5975-01-248-2961
NSN 2925-00-572-0454
NSN 5920-01-267-9036
NSN 5999-01-629-8320
NSN 6150-00-379-2630