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 5855-01-138-4985
NSN 5960-01-163-8905
NSN 5985-01-303-6157
NSN 5998-00-617-0354
NSN 4140-01-031-8203
NSN 6145-00-122-9517
NSN 6110-00-652-6643
NSN 5910-01-633-9963
NSN 6145-00-118-8375
NSN 5950-01-122-6384
NSN 5990-01-320-1412
NSN 5950-00-050-7434