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: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 5855-01-042-7990
NSN 5910-01-177-9504
NSN 6240-00-441-7962
NSN 5998-01-207-7169
NSN 5920-01-050-7474
NSN 5935-01-584-8823
NSN 5985-00-908-0425
NSN 6320-00-433-2773
NSN 6220-01-512-0144
NSN 6650-00-313-4172
NSN 7035-01-106-3476
NSN 5835-00-148-9719