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 5935-01-100-1171
NSN 4140-00-083-1121
NSN 6110-00-487-4553
NSN 6685-01-585-6794
NSN 5985-00-827-6827
NSN 5915-00-074-0142
NSN 5990-01-060-3687
NSN 5855-01-488-6571
NSN 5945-01-031-0578
NSN 6320-01-420-0340
NSN 5925-00-286-8502
NSN 5945-01-481-7084