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 6130-01-468-0237
NSN 6685-01-487-6001
NSN 5960-01-546-2379
NSN 5855-00-114-4954
NSN 6240-00-062-7078
NSN 5915-01-604-8791
NSN 5935-01-489-1478
NSN 5999-01-046-2690
NSN 5915-00-348-2624
NSN 5950-01-386-4442
NSN 5960-01-381-8475
NSN 7035-00-494-4575