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 5935-01-547-1731
NSN 5925-01-464-0390
NSN 6220-00-306-7239
NSN 6135-01-386-5709
NSN 6135-01-422-1440
NSN 6220-01-031-6919
NSN 5990-01-425-2175
NSN 5990-01-633-9503
NSN 5998-00-982-6049
NSN 5925-01-564-2154
NSN 6620-01-591-4031
NSN 5925-01-358-7316