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 6320-01-275-3972
NSN 6240-00-191-2855
NSN 5835-01-010-3103
NSN 5855-01-410-8979
NSN 5920-00-133-5400
NSN 6645-01-282-3624
NSN 4140-01-167-7574
NSN 6320-01-382-9676
NSN 5950-01-481-1075
NSN 5930-01-372-2884
NSN 5925-01-254-2578
NSN 5975-01-545-7403