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 5990-01-272-4091
NSN 5965-01-515-2009
NSN 6145-01-528-7853
NSN 5975-01-586-0646
NSN 6685-01-433-3057
NSN 5925-01-508-4145
NSN 6610-01-175-5920
NSN 5950-00-478-1031
NSN 6110-01-298-0526
NSN 5895-00-342-9581
NSN 5895-00-117-7793
NSN 6645-01-158-8136