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.
Classification: Articles of aluminum nesoi
NSN 5999-01-485-0368
NSN 5950-00-007-2725
NSN 6135-00-315-1187
NSN 6240-01-345-4479
NSN 5935-01-202-9420
NSN 6135-01-371-9209
NSN 2925-01-331-5039
NSN 5996-01-463-3152
NSN 5855-01-035-2866
NSN 5996-01-493-1858
NSN 6110-01-122-8569
NSN 6110-01-624-3197