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 6220-00-075-1989
NSN 6150-01-422-1407
NSN 7035-01-421-2398
NSN 6645-01-141-7016
NSN 5950-01-181-5973
NSN 6240-01-131-3223
NSN 5975-00-785-9288
NSN 5895-01-605-0297
NSN 5925-01-415-9961
NSN 6110-01-220-0518
NSN 6130-01-237-8532
NSN 6240-01-400-1311