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.
NSN 6150-01-289-5090
NSN 5855-01-156-0417
NSN 5915-00-437-9703
NSN 6650-01-265-2672
NSN 5950-00-124-0033
NSN 5998-01-528-2766
NSN 5910-01-147-9778
NSN 6320-01-631-7828
NSN 5960-01-177-0338
NSN 5990-01-076-8901
NSN 5905-01-273-4101
NSN 6240-01-187-7758