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 2925-01-052-0636
NSN 6105-01-220-5963
NSN 6645-00-936-9111
NSN 5960-00-187-0429
NSN 5855-01-203-4719
NSN 6150-00-185-9995
NSN 5965-01-511-0272
NSN 6150-01-448-7758
NSN 6110-00-989-1452
NSN 5935-01-416-9587
NSN 5996-00-435-0369
NSN 2925-01-359-4027