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 7035-01-266-3490
NSN 5930-01-029-5613
NSN 5985-01-415-9208
NSN 6320-01-399-6177
NSN 6620-00-500-0041
NSN 5855-00-135-0797
NSN 5950-01-528-8796
NSN 5960-01-136-5737
NSN 6220-01-212-9016
NSN 6650-00-784-9222
NSN 6610-01-328-1523
NSN 5996-01-391-7489