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 6610-01-603-0703
NSN 6645-00-066-6868
NSN 5855-00-149-0766
NSN 5895-00-005-8102
NSN 6135-01-364-0667
NSN 5998-01-511-0109
NSN 6220-01-368-6879
NSN 4140-00-983-8048
NSN 6110-01-026-1236
NSN 6145-00-245-1180
NSN 4140-00-107-5284
NSN 5915-01-441-0388