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 5835-01-416-6449
NSN 5915-00-083-9552
NSN 5999-01-377-5844
NSN 6220-01-381-1793
NSN 7035-01-210-0493
NSN 6105-01-594-2251
NSN 5998-01-154-1132
NSN 5950-01-010-1197
NSN 5925-01-595-6276
NSN 6650-01-116-9731
NSN 5990-01-472-2447
NSN 5985-00-441-4813