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 6650-01-642-6773
NSN 5985-00-507-1331
NSN 4140-00-141-9801
NSN 5965-01-539-4841
NSN 5950-01-181-9022
NSN 5910-00-096-7611
NSN 5915-01-360-5612
NSN 5895-00-305-7549
NSN 5998-00-113-4843
NSN 6685-01-420-6480
NSN 5975-00-361-7793
NSN 2925-00-247-6248