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 6620-01-274-3423
NSN 6145-01-367-1404
NSN 5915-01-655-7824
NSN 5855-00-057-6900
NSN 5998-00-765-5397
NSN 5835-00-393-1996
NSN 6105-00-111-2546
NSN 5915-01-129-7667
NSN 5990-00-277-3763
NSN 6105-01-011-5210
NSN 5930-00-907-3941
NSN 4140-01-199-9771