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 aluminum nesoi
NSN 5950-01-142-4036
NSN 6150-00-103-3480
NSN 5965-01-648-2590
NSN 6240-01-420-8323
NSN 5975-00-853-7798
NSN 6240-01-215-3512
NSN 5965-01-285-2133
NSN 6150-00-538-1176
NSN 5915-01-085-3086
NSN 5999-00-914-3308
NSN 6620-01-012-2852
NSN 5985-01-570-7780