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 5895-00-481-1474
NSN 6105-01-104-5214
NSN 7035-01-633-9537
NSN 6110-00-035-8794
NSN 6610-00-835-0248
NSN 5990-00-818-3480
NSN 6610-01-250-2811
NSN 5835-01-487-3042
NSN 5975-01-605-0496
NSN 6645-01-351-1154
NSN 5905-00-174-1633
NSN 6240-01-415-6004