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 5910-01-010-7695
NSN 6645-01-570-3215
NSN 5998-01-580-8236
NSN 4140-01-291-3579
NSN 5930-01-052-4242
NSN 6610-00-484-2662
NSN 2925-00-441-8252
NSN 5915-01-235-8349
NSN 5990-01-442-3520
NSN 5996-01-331-1432
NSN 5895-01-582-4727
NSN 6145-00-279-4494