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 6135-01-199-1185
NSN 6220-01-642-6424
NSN 2925-01-053-0886
NSN 6105-01-423-8242
NSN 6110-01-249-3538
NSN 6650-01-540-5157
NSN 6220-00-352-8548
NSN 5945-01-224-9773
NSN 4140-01-451-4180
NSN 6150-01-177-3555
NSN 4140-00-833-1382
NSN 5925-01-113-7793