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 4140-00-105-1061
NSN 5905-01-471-6199
NSN 6320-00-636-0922
NSN 5925-00-156-4044
NSN 5895-01-455-1101
NSN 6135-00-209-6918
NSN 6620-01-181-1757
NSN 5950-01-651-6476
NSN 5910-01-170-9099
NSN 5950-00-943-4563
NSN 5945-00-565-9723
NSN 5915-00-184-7664