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 6145-01-617-3773
NSN 4140-01-118-2215
NSN 6135-01-423-3915
NSN 5975-01-645-4596
NSN 5999-01-363-6922
NSN 6105-01-102-8113
NSN 5999-01-087-7175
NSN 5835-01-520-4479
NSN 7035-01-138-1223
NSN 6240-01-476-7935
NSN 6145-01-056-8263
NSN 6130-01-643-5813