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 6620-01-016-8264
NSN 4140-00-399-0972
NSN 5895-01-545-6910
NSN 6145-00-578-7522
NSN 5950-01-013-7901
NSN 6110-01-168-4612
NSN 5905-01-547-5867
NSN 5895-01-040-2305
NSN 6105-01-277-8455
NSN 6145-01-311-6386
NSN 6645-00-399-4551
NSN 5990-00-242-3754