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 6685-01-431-6820
NSN 6130-01-222-0475
NSN 4140-00-890-6447
NSN 6220-00-541-8515
NSN 6150-01-342-5936
NSN 5998-00-450-8990
NSN 6610-00-269-4506
NSN 6220-00-076-8542
NSN 2925-01-149-0352
NSN 6110-00-188-9874
NSN 6130-01-438-6291
NSN 6105-00-151-7528