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 6135-01-623-2970
NSN 4140-00-248-9441
NSN 2925-01-497-9381
NSN 5855-00-411-8688
NSN 5905-01-479-1268
NSN 6240-01-447-4003
NSN 5920-01-318-6054
NSN 4140-00-510-0325
NSN 6130-00-580-0901
NSN 5910-00-228-3027
NSN 5985-01-089-6169
NSN 5975-01-024-8486