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 6610-01-651-0987
NSN 5996-00-973-4179
NSN 7035-01-494-7900
NSN 5915-01-249-8201
NSN 5945-01-120-9120
NSN 5925-01-256-6176
NSN 5910-00-917-6801
NSN 6610-01-653-8152
NSN 6685-01-146-4498
NSN 5990-01-382-5364
NSN 5835-00-912-5656
NSN 6240-01-454-1603