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 2925-00-295-8109
NSN 5855-01-406-7237
NSN 6135-01-422-1440
NSN 6145-01-409-1034
NSN 6645-00-547-4388
NSN 5965-01-564-3579
NSN 6220-01-079-2029
NSN 5950-01-476-8171
NSN 5960-00-597-2680
NSN 6645-01-163-9930
NSN 5855-01-287-1515
NSN 6620-00-974-7595