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 5855-01-057-7818
NSN 5935-01-549-5019
NSN 7035-01-365-6246
NSN 6105-01-524-3994
NSN 6685-00-257-2987
NSN 5855-01-406-7237
NSN 5910-01-487-6757
NSN 6645-01-583-6519
NSN 4140-00-505-1684
NSN 6135-01-415-1163
NSN 5975-01-334-3150
NSN 5905-01-441-0920