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 5925-00-086-9288
NSN 5965-01-466-1154
NSN 5985-00-630-6674
NSN 5935-00-161-8699
NSN 6610-01-473-0521
NSN 5905-00-420-5711
NSN 6105-01-561-0330
NSN 6145-00-730-3933
NSN 5985-01-651-5186
NSN 6135-00-134-6648
NSN 6105-01-111-4344
NSN 5920-01-381-0514