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 6145-01-316-5357
NSN 6220-00-141-6150
NSN 6135-01-428-7490
NSN 5910-01-123-9034
NSN 5930-00-180-8225
NSN 5950-01-064-0363
NSN 6610-01-353-2241
NSN 6650-01-613-8467
NSN 5998-00-461-4877
NSN 5855-01-230-4665
NSN 5930-01-205-0489
NSN 5996-00-098-3864