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 2925-00-138-5542
NSN 5910-01-141-4516
NSN 6220-01-204-8916
NSN 6620-00-736-8457
NSN 4140-01-248-0157
NSN 6620-01-557-6512
NSN 5835-00-594-4921
NSN 5990-00-935-5610
NSN 5925-01-134-2747
NSN 6130-01-400-6123
NSN 6610-00-186-9180
NSN 6320-00-823-2015