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 6240-01-456-9583
NSN 5998-00-244-8629
NSN 7035-00-009-8705
NSN 6645-01-463-3024
NSN 4140-00-832-3286
NSN 6240-01-011-2267
NSN 6650-00-455-9457
NSN 6240-00-353-5753
NSN 6620-00-515-6422
NSN 6150-01-268-3144
NSN 5920-01-212-9504
NSN 6685-01-107-6956