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 6620-01-519-2628
NSN 5985-01-041-0361
NSN 5985-00-874-5696
NSN 2925-01-643-2967
NSN 6645-01-147-5579
NSN 5835-01-416-6455
NSN 6320-01-162-5977
NSN 5910-00-849-8602
NSN 6240-00-130-5643
NSN 2925-01-167-6500
NSN 5965-01-463-2815
NSN 5960-01-520-4615