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 5950-01-098-7561
NSN 6105-00-699-9186
NSN 6130-01-462-0155
NSN 6240-00-780-6988
NSN 2925-00-852-6708
NSN 6610-01-387-3648
NSN 5920-00-492-5516
NSN 2925-00-180-2532
NSN 5996-00-170-8060
NSN 6610-01-608-0004
NSN 6130-01-476-8732
NSN 5910-01-650-0017