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 5910-01-044-0575
NSN 5945-01-286-3621
NSN 5998-01-340-4609
NSN 6620-00-740-3699
NSN 6240-01-262-5787
NSN 5996-01-382-9710
NSN 6650-01-169-6367
NSN 5998-00-118-2395
NSN 5935-01-423-3097
NSN 6650-01-603-8177
NSN 5925-01-378-6857
NSN 6130-01-248-2818