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 6650-01-262-7296
NSN 6105-00-460-0335
NSN 6150-00-943-8384
NSN 2925-00-001-4604
NSN 6610-00-355-0450
NSN 5910-01-417-2597
NSN 6145-01-525-0934
NSN 6135-01-485-1227
NSN 5905-00-815-6463
NSN 6610-00-765-3283
NSN 5990-01-177-2838
NSN 6145-01-198-5916