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 5915-00-343-6814
NSN 5910-00-247-7947
NSN 4140-00-230-4252
NSN 5925-00-411-5170
NSN 6645-01-218-5234
NSN 5999-01-200-6833
NSN 6320-00-149-7570
NSN 5960-01-407-1350
NSN 5935-01-615-2329
NSN 6610-01-305-8863
NSN 6130-00-092-7574
NSN 6620-01-345-9488