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 6650-00-287-5868
NSN 5915-01-336-4413
NSN 6105-01-185-1284
NSN 6130-01-313-7745
NSN 5910-01-068-4472
NSN 5930-00-497-7777
NSN 6610-01-440-9913
NSN 6130-01-150-3273
NSN 5975-01-529-2274
NSN 5985-00-955-6637
NSN 5910-01-093-4216
NSN 5950-01-500-1979