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: Other articles of iron or steel not wire nesoi
NSN 4140-01-483-0477
NSN 6685-01-539-7616
NSN 5915-01-352-1274
NSN 5990-01-485-6495
NSN 6320-01-484-7734
NSN 5930-01-052-2804
NSN 6320-01-516-3836
NSN 5905-01-215-4874
NSN 5855-00-631-4565
NSN 5930-01-467-9101
NSN 5935-01-478-8449
NSN 6610-01-078-1700