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 5915-01-269-3874
NSN 5950-01-346-0598
NSN 5975-00-935-2293
NSN 5950-01-437-8873
NSN 5835-00-034-4976
NSN 6145-01-568-4442
NSN 5965-01-453-4403
NSN 6145-00-060-2818
NSN 6320-00-433-2773
NSN 5975-01-517-2938
NSN 5945-00-113-5350
NSN 5950-00-245-6688