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 6685-01-395-6166
NSN 6145-01-250-2006
NSN 5965-01-440-7800
NSN 6610-01-544-1662
NSN 5960-01-503-8411
NSN 5996-00-911-3890
NSN 5985-01-052-5186
NSN 5935-00-189-1522
NSN 5910-01-031-4855
NSN 4140-00-097-0167
NSN 5935-00-469-3711
NSN 5990-01-529-8433