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 6220-00-244-2552
NSN 6645-01-077-9350
NSN 6130-01-172-0367
NSN 5945-00-162-9525
NSN 6650-01-659-1950
NSN 5925-01-100-0970
NSN 6645-00-371-1861
NSN 5960-00-492-2502
NSN 5895-01-204-5104
NSN 5895-01-597-0092
NSN 5965-01-180-7070
NSN 5990-01-359-8334