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 6620-01-371-5040
NSN 5905-01-246-4501
NSN 5910-01-492-0484
NSN 4140-01-634-0330
NSN 5855-01-453-6384
NSN 7035-01-169-6551
NSN 6320-00-564-2772
NSN 5990-01-481-6814
NSN 6130-01-502-8823
NSN 5935-01-100-0222
NSN 5935-00-240-9500
NSN 6610-01-381-3181