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 5835-00-315-3797
NSN 5935-01-559-8227
NSN 5998-01-262-3946
NSN 6645-01-361-4813
NSN 5905-01-093-7230
NSN 6610-00-406-3107
NSN 2925-01-376-9236
NSN 5935-01-271-7430
NSN 6645-01-598-3976
NSN 7035-00-931-9415
NSN 6135-00-503-7213
NSN 6145-01-045-2594