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 5930-00-383-1539
NSN 6110-01-254-1562
NSN 4140-00-146-3269
NSN 5975-01-549-3804
NSN 5960-01-580-6360
NSN 5975-01-137-8490
NSN 5905-01-609-8416
NSN 7035-01-433-4401
NSN 6110-01-392-7019
NSN 5835-01-034-2040
NSN 6150-00-353-7392
NSN 5998-01-427-1087