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 5945-01-542-9117
NSN 6645-01-419-3071
NSN 6645-01-261-6903
NSN 5975-01-426-8968
NSN 6650-01-437-2570
NSN 6145-00-936-9686
NSN 5930-01-347-9135
NSN 7035-01-629-4362
NSN 6220-01-653-8585
NSN 5835-00-233-6327
NSN 5895-01-054-3799
NSN 5905-01-630-5644