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 6105-01-139-1618
NSN 6145-01-461-7192
NSN 6240-00-160-9223
NSN 5960-01-014-3876
NSN 5925-01-171-1834
NSN 6105-00-523-5139
NSN 5930-01-400-6126
NSN 6220-01-247-4721
NSN 5930-01-413-1342
NSN 5935-01-399-7757
NSN 5930-00-518-7278
NSN 7035-00-200-5162