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 6110-01-428-9289
NSN 6150-01-455-1325
NSN 5996-01-511-7129
NSN 5895-01-297-6684
NSN 5999-01-306-7889
NSN 5935-00-215-6210
NSN 6240-00-269-9477
NSN 6685-01-564-7979
NSN 5855-00-951-6483
NSN 5990-00-915-4531
NSN 6650-01-297-8168
NSN 6320-01-592-6248