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 5920-01-300-6055
NSN 6320-01-149-2808
NSN 5998-01-250-1455
NSN 5990-00-583-9920
NSN 4140-01-289-7912
NSN 6220-01-467-2543
NSN 6685-01-171-5120
NSN 5935-00-439-6710
NSN 4140-01-224-7662
NSN 6685-01-139-4944
NSN 6645-00-089-1942
NSN 5935-01-241-7670