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 5910-00-539-7904
NSN 5910-01-289-9461
NSN 5925-00-114-0740
NSN 7035-01-438-2108
NSN 5985-00-178-1143
NSN 5996-01-145-0237
NSN 6650-01-448-9639
NSN 6610-00-118-4318
NSN 5905-01-439-2810
NSN 6610-00-160-0905
NSN 6650-01-098-0288
NSN 5965-01-523-5266