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: Other articles of iron or steel not wire nesoi
NSN 5998-01-443-3779
NSN 5910-01-472-4972
NSN 5930-01-591-9120
NSN 6610-00-119-1591
NSN 5965-01-489-5508
NSN 5915-00-045-9071
NSN 5999-00-127-7089
NSN 6650-00-483-2853
NSN 5855-01-519-0587
NSN 4140-01-661-1043
NSN 5950-01-429-1014
NSN 6620-01-293-6241