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 6610-01-076-4800
NSN 5999-00-913-4223
NSN 5920-01-338-7459
NSN 5920-01-607-6904
NSN 5950-01-634-0677
NSN 6620-01-446-7290
NSN 5895-01-570-1526
NSN 5990-00-315-9093
NSN 5930-01-451-5946
NSN 6240-00-978-9752
NSN 5990-01-389-1196
NSN 5905-00-150-1312