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 5920-01-374-9244
NSN 5915-00-087-0491
NSN 5945-01-116-6978
NSN 5945-01-452-9775
NSN 5855-00-288-1408
NSN 6135-01-386-5709
NSN 5910-01-283-4411
NSN 6145-01-469-2368
NSN 5960-01-602-6009
NSN 6105-01-357-6320
NSN 5975-01-423-1713
NSN 2925-01-658-9457