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 5990-01-493-4039
NSN 5905-01-025-5169
NSN 6620-01-380-4882
NSN 6650-01-519-9165
NSN 5930-00-097-9691
NSN 5910-00-883-7407
NSN 5910-00-883-3290
NSN 5965-01-326-7886
NSN 5910-01-391-6068
NSN 5915-01-599-1266
NSN 5895-01-446-1559
NSN 2925-01-391-9247