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 6220-00-141-6150
NSN 5835-00-337-7801
NSN 6685-01-210-7059
NSN 5925-01-629-8385
NSN 4140-00-841-5905
NSN 2925-01-292-9248
NSN 5920-00-187-0260
NSN 6135-01-274-3546
NSN 5855-00-247-7219
NSN 5855-01-634-0259
NSN 5945-01-130-8303
NSN 5915-00-552-8179