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 6240-01-613-2503
NSN 5945-00-707-3384
NSN 6320-01-067-0474
NSN 6240-00-300-9883
NSN 5985-01-250-7808
NSN 6105-00-275-0826
NSN 4140-00-107-5284
NSN 5945-00-248-6798
NSN 6150-00-858-5116
NSN 5975-01-525-2469
NSN 6240-01-549-6400
NSN 4140-01-277-5810