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: Other articles of iron or steel not wire nesoi
NSN 6105-01-383-4501
NSN 5930-00-549-4273
NSN 5960-00-452-0452
NSN 5855-00-631-4565
NSN 5965-01-425-5857
NSN 5855-01-216-7633
NSN 5985-01-188-7090
NSN 5990-00-518-0684
NSN 6685-01-594-9062
NSN 6620-01-044-3371
NSN 6620-01-160-3475
NSN 6650-00-224-3223