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.
NSN 5975-01-371-9176
NSN 4140-00-143-4772
NSN 6620-01-265-2887
NSN 6150-01-057-2107
NSN 5895-00-771-2044
NSN 5985-00-449-3692
NSN 6650-00-143-1889
NSN 5910-01-459-8500
NSN 5920-01-582-0388
NSN 6645-01-142-2416
NSN 5910-01-421-3773
NSN 6650-01-520-4765