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 5990-01-241-2479
NSN 6610-01-353-9326
NSN 6610-01-117-7130
NSN 6105-00-785-3371
NSN 6150-00-144-7115
NSN 5996-01-287-7464
NSN 6240-01-170-0704
NSN 5950-01-382-1288
NSN 6145-01-468-1029
NSN 5999-01-309-1656
NSN 5996-01-485-6678
NSN 6105-01-619-6546