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.
Dept. of the Navy Classification: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 6145-01-340-2394
NSN 6130-01-154-8359
NSN 5998-01-147-9461
NSN 5990-01-100-1840
NSN 6105-01-004-0043
NSN 5925-01-372-7137
NSN 5999-01-270-7810
NSN 6685-01-611-1132
NSN 6645-01-040-2295
NSN 5945-01-091-2544
NSN 5835-01-359-2575
NSN 6105-00-258-2157