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 5895-01-206-2906
NSN 5930-01-586-6804
NSN 5975-01-126-4755
NSN 6620-01-539-9646
NSN 5998-01-127-7512
NSN 6220-01-146-5152
NSN 5835-00-419-0575
NSN 5925-00-894-2398
NSN 6650-01-299-5454
NSN 6150-00-100-4373
NSN 5998-01-090-1490
NSN 5905-01-239-5051