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: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 2925-00-491-3549
NSN 5905-01-444-2300
NSN 5990-01-507-7495
NSN 6645-01-316-7456
NSN 6110-01-408-5621
NSN 6150-01-174-9403
NSN 5990-01-024-9659
NSN 6110-01-043-9051
NSN 5910-01-532-5722
NSN 5855-01-316-9642
NSN 5905-01-336-9461
NSN 5985-00-434-2313