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 5920-01-457-6741
NSN 5905-01-221-1702
NSN 6620-01-096-3723
NSN 6240-01-229-1749
NSN 6110-00-756-3784
NSN 2925-01-594-5385
NSN 5990-00-232-3965
NSN 6620-00-417-6285
NSN 6130-01-222-6854
NSN 5835-01-381-2683
NSN 6130-00-273-1111
NSN 6685-00-403-7402