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 7035-01-003-9142
NSN 6145-01-371-3433
NSN 5945-01-182-8743
NSN 6650-01-188-8028
NSN 6610-01-322-4331
NSN 5935-00-438-4356
NSN 5950-00-184-8271
NSN 5915-00-233-6346
NSN 6150-00-500-8097
NSN 5905-00-757-7269
NSN 5935-01-468-5218
NSN 6240-01-386-5952