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 6620-00-575-9230
NSN 5910-01-398-3534
NSN 6110-01-455-3376
NSN 6685-01-528-3379
NSN 5915-01-380-5534
NSN 6620-00-189-0967
NSN 5915-00-969-6382
NSN 6645-00-216-6126
NSN 5990-01-229-3003
NSN 6145-00-360-3874
NSN 5920-00-669-9868
NSN 5925-01-512-9934