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 5855-00-918-1622
NSN 5920-00-908-1929
NSN 6320-01-330-8054
NSN 6240-01-246-4258
NSN 5920-00-925-2639
NSN 6145-01-160-7658
NSN 5935-01-443-9803
NSN 5905-01-634-0595
NSN 6650-01-585-6317
NSN 7035-01-106-3476
NSN 6645-01-284-3598
NSN 5895-01-521-5819