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 6620-01-628-2620
NSN 6110-00-137-9544
NSN 6145-01-199-4570
NSN 5998-00-292-9515
NSN 5855-00-560-0110
NSN 5935-01-437-2489
NSN 2925-01-381-5307
NSN 7035-00-142-9076
NSN 6685-01-229-7048
NSN 5905-00-651-8753
NSN 5910-01-446-4666
NSN 5975-01-359-1590