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 6110-00-285-1895
NSN 5920-00-184-2100
NSN 6610-00-019-1538
NSN 5990-01-400-2195
NSN 4140-00-613-9209
NSN 5855-01-230-4665
NSN 6650-01-591-5057
NSN 6150-01-074-8230
NSN 5965-01-302-8522
NSN 5950-01-337-5546
NSN 5960-00-546-7533
NSN 5999-00-846-6832