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 5895-00-156-4939
NSN 6240-00-161-8099
NSN 6240-00-334-6766
NSN 5915-01-172-7259
NSN 5990-01-106-3786
NSN 4140-01-423-1647
NSN 6150-01-597-9397
NSN 6240-01-633-9357
NSN 5945-01-121-5334
NSN 5835-00-435-6638
NSN 5930-01-367-7806
NSN 6105-01-179-2734