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 6105-01-053-6804
NSN 5990-01-263-0362
NSN 5855-01-199-2046
NSN 6130-01-590-7957
NSN 2925-01-166-4589
NSN 5945-01-474-6059
NSN 6110-00-025-3974
NSN 6320-01-237-9746
NSN 5965-01-074-7306
NSN 6610-01-076-4800
NSN 5945-01-546-3057
NSN 6320-01-302-5157