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 6105-00-887-0454
NSN 6240-00-677-0305
NSN 6685-00-838-7429
NSN 5905-01-452-1767
NSN 6620-01-201-9295
NSN 5925-01-010-9536
NSN 6150-00-736-6090
NSN 5985-00-614-2744
NSN 5998-01-008-2876
NSN 6650-01-003-9355
NSN 4140-01-462-2487
NSN 5950-01-436-1517