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 4140-01-623-4004
NSN 7035-00-549-2722
NSN 5895-00-476-5633
NSN 5925-00-824-0329
NSN 6110-01-224-6954
NSN 4140-00-431-3830
NSN 5935-01-121-0421
NSN 6645-01-277-5973
NSN 5950-01-086-8391
NSN 5855-00-987-1171
NSN 5975-01-192-1714
NSN 5895-00-930-2112