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 6620-00-572-8787
NSN 6110-01-439-5212
NSN 6145-01-029-9026
NSN 6320-01-519-0916
NSN 2925-01-285-7163
NSN 5985-01-227-8717
NSN 5935-01-104-5326
NSN 6620-01-422-3522
NSN 5905-01-496-3865
NSN 5835-01-326-8953
NSN 6145-01-491-4196
NSN 5915-01-586-7934