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 5910-01-463-9457
NSN 5930-01-351-5752
NSN 5835-00-711-3371
NSN 5950-01-416-3538
NSN 5930-01-125-4167
NSN 4140-00-350-0181
NSN 5975-01-176-5620
NSN 6240-00-079-0112
NSN 5950-01-450-6115
NSN 6650-01-481-3618
NSN 6685-01-065-7042
NSN 5835-00-564-0057