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 6130-01-284-0269
NSN 6240-01-283-0404
NSN 5855-00-058-1293
NSN 6620-01-356-2374
NSN 5915-00-078-8561
NSN 5965-00-501-7835
NSN 4140-01-309-5411
NSN 6150-00-401-8084
NSN 5975-00-269-4365
NSN 5935-00-198-4462
NSN 5998-00-173-4127
NSN 6220-00-253-3836