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 6645-01-521-3180
NSN 6320-00-116-3658
NSN 5910-01-446-4666
NSN 5945-00-190-5807
NSN 4140-01-154-1041
NSN 5925-01-607-6279
NSN 5930-00-283-4250
NSN 6150-01-440-9628
NSN 5915-00-695-1931
NSN 6320-01-111-0960
NSN 5975-00-833-2398
NSN 5996-00-383-6173