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 2925-01-484-8556
NSN 5985-01-418-1999
NSN 5985-01-640-8708
NSN 6645-01-281-7254
NSN 5935-00-215-6210
NSN 6110-01-194-7344
NSN 7035-01-607-5696
NSN 6135-01-462-4442
NSN 4140-00-898-4586
NSN 6610-01-161-4835
NSN 5855-00-869-3635
NSN 5925-00-233-3608