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 5930-00-246-5599
NSN 5999-01-423-7922
NSN 5905-01-359-1959
NSN 7035-01-036-0236
NSN 5998-00-421-0569
NSN 6220-01-549-6135
NSN 6110-00-549-6662
NSN 5960-01-583-4737
NSN 6145-00-594-7822
NSN 6150-01-563-5233
NSN 6645-00-225-2742
NSN 5910-00-581-9184