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: Articles of aluminum nesoi
NSN 2925-01-550-0177
NSN 6135-01-656-0761
NSN 6110-01-366-4282
NSN 5910-00-085-2030
NSN 6135-01-141-4916
NSN 5855-01-653-9463
NSN 5999-01-299-3599
NSN 2925-01-612-0405
NSN 6320-00-894-1644
NSN 5915-00-234-7515
NSN 6645-01-373-8860
NSN 5960-01-464-9605