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 6645-01-131-4328
NSN 5930-00-960-4826
NSN 6685-01-043-9943
NSN 5855-01-415-3987
NSN 5998-01-469-2561
NSN 6645-01-210-4388
NSN 6240-00-978-9752
NSN 5975-00-458-3038
NSN 5950-01-535-0980
NSN 5855-01-397-8862
NSN 6105-01-438-2738
NSN 6220-01-439-7474