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 5905-00-218-1237
NSN 5915-01-287-8188
NSN 5835-01-050-9509
NSN 2925-00-496-9082
NSN 5915-00-528-9286
NSN 7035-01-364-0286
NSN 6135-01-159-9705
NSN 5905-01-100-7825
NSN 5999-01-423-5250
NSN 5960-01-054-3752
NSN 6620-00-049-6425
NSN 6620-00-417-6285