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 4140-00-056-3904
NSN 5895-01-583-8575
NSN 6620-00-601-3885
NSN 6685-01-557-9726
NSN 5920-00-851-2846
NSN 5855-00-337-3679
NSN 5945-01-085-4825
NSN 5960-01-589-6846
NSN 5960-00-950-0526
NSN 6685-00-701-1753
NSN 5975-00-676-8392
NSN 5999-01-150-9432