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 5950-00-006-5820
NSN 5910-00-258-4396
NSN 6220-01-208-5556
NSN 6220-01-644-1362
NSN 5925-01-426-6923
NSN 6610-00-367-9603
NSN 6150-01-602-6457
NSN 6650-01-174-8427
NSN 6240-01-516-6243
NSN 6240-00-051-5163
NSN 5855-01-256-9597
NSN 6240-01-147-0379