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 5905-01-202-1396
NSN 5965-01-643-5191
NSN 5935-01-052-4943
NSN 5935-01-383-6991
NSN 5905-01-217-1760
NSN 5945-01-415-5087
NSN 5930-01-497-5650
NSN 5930-01-356-2386
NSN 5835-00-170-5238
NSN 2925-00-808-5077
NSN 5998-00-221-3216
NSN 5925-01-417-4740