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 5960-01-446-4446
NSN 2925-01-424-0235
NSN 5905-01-394-1509
NSN 6105-00-884-6792
NSN 6145-01-360-2789
NSN 6650-00-105-8063
NSN 5930-01-211-0092
NSN 5855-00-548-4742
NSN 6240-01-334-6961
NSN 6110-00-588-0616
NSN 6645-01-027-7042
NSN 5930-00-144-1877