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 6220-01-278-1341
NSN 2925-01-553-5132
NSN 5945-00-760-1918
NSN 5905-01-123-2388
NSN 2925-01-355-5280
NSN 5990-01-467-7575
NSN 2925-01-387-0870
NSN 5915-00-078-9574
NSN 5990-00-412-4411
NSN 5996-01-596-9945
NSN 6620-01-085-8688
NSN 4140-01-340-6503