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 5975-01-042-1274
NSN 5998-01-282-1828
NSN 4140-01-326-3620
NSN 6110-00-546-5145
NSN 5935-00-925-8004
NSN 5945-01-090-0890
NSN 6645-01-348-4804
NSN 5895-00-442-5044
NSN 2925-00-194-7407
NSN 6150-01-278-9400
NSN 6150-00-834-6804
NSN 6685-01-407-3282