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: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 6620-01-340-9425
NSN 4140-01-370-4075
NSN 4140-00-294-3654
NSN 5835-01-487-3042
NSN 5996-00-151-4462
NSN 6645-00-752-2939
NSN 5960-00-021-5618
NSN 5915-01-054-0064
NSN 5930-01-514-8684
NSN 5895-01-193-4290
NSN 6320-00-382-7825
NSN 2925-01-030-6580