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 6150-01-100-3413
NSN 5935-00-769-4091
NSN 5930-01-555-6121
NSN 6220-01-401-5337
NSN 5930-01-178-6407
NSN 6110-01-057-6445
NSN 2925-01-184-5201
NSN 5915-00-418-3849
NSN 6685-01-141-9823
NSN 5920-01-392-8226
NSN 5965-01-604-8548
NSN 6105-00-101-3699