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 5930-00-531-0541
NSN 5950-01-318-5570
NSN 6145-00-431-7441
NSN 5965-00-356-3838
NSN 5835-00-532-5910
NSN 5935-01-302-5853
NSN 5975-00-239-9784
NSN 6620-01-451-3742
NSN 5990-00-018-8604
NSN 5925-01-238-8563
NSN 5905-01-086-5405
NSN 4140-01-128-4939