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.
NSN 5925-01-199-4401
NSN 5915-00-516-9987
NSN 5990-01-307-4489
NSN 5945-00-339-2755
NSN 4140-00-027-5150
NSN 6610-01-507-9476
NSN 6610-01-165-9458
NSN 6240-00-130-2755
NSN 2925-01-645-2128
NSN 6240-01-367-8749
NSN 6620-00-175-0663
NSN 6130-01-366-7481