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 6685-01-644-7995
NSN 6645-01-394-5149
NSN 5920-00-491-9163
NSN 5855-00-135-0797
NSN 4140-01-539-8629
NSN 5965-01-195-2168
NSN 5996-00-226-5364
NSN 6150-00-189-6100
NSN 5905-00-254-9977
NSN 5985-00-834-2521
NSN 2925-00-024-6392
NSN 6130-00-893-4612