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 6110-01-590-4992
NSN 4140-01-301-4650
NSN 6645-01-507-0208
NSN 5945-01-238-7378
NSN 5990-01-014-1280
NSN 5985-00-468-5912
NSN 6650-01-333-6641
NSN 6240-01-535-6101
NSN 5910-00-143-4984
NSN 5950-00-278-4186
NSN 5985-01-076-8477
NSN 5950-01-262-1673