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 5930-00-755-0765
NSN 6135-00-432-8779
NSN 5910-00-133-0497
NSN 5925-01-609-9826
NSN 5930-01-531-7738
NSN 5965-00-782-1662
NSN 5925-00-228-7605
NSN 6145-01-494-3224
NSN 5950-00-445-5847
NSN 5910-01-544-4410
NSN 6620-00-415-2768
NSN 5855-01-339-1718