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 5945-01-344-3320
NSN 5925-00-900-0675
NSN 4140-00-580-8508
NSN 4140-00-144-6833
NSN 5895-01-470-2008
NSN 5935-00-457-2483
NSN 5985-00-766-9402
NSN 5996-01-290-0988
NSN 5930-00-574-8677
NSN 6110-01-142-6800
NSN 7035-01-209-0045
NSN 6220-00-174-8514