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 5990-01-462-1617
NSN 5950-00-856-8627
NSN 5915-01-076-4538
NSN 5985-00-005-3334
NSN 5990-01-633-9503
NSN 5925-01-470-1973
NSN 6105-01-268-8150
NSN 5905-01-297-0103
NSN 5960-00-284-6760
NSN 6105-01-212-3100
NSN 5930-01-210-6026
NSN 6650-01-166-5025