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 5985-01-230-2977
NSN 5905-01-087-8770
NSN 6610-01-160-8815
NSN 5985-01-472-2357
NSN 6645-01-542-6159
NSN 5915-01-406-4637
NSN 6620-00-246-5159
NSN 5920-01-332-6414
NSN 5960-00-339-9628
NSN 5935-01-351-6137
NSN 5960-01-151-4518
NSN 6110-00-614-9218