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 5990-01-205-5937
NSN 5950-00-071-3614
NSN 6685-01-583-1273
NSN 5950-01-492-3770
NSN 6645-00-408-7443
NSN 4140-01-480-4319
NSN 5910-01-625-4450
NSN 6620-01-408-0825
NSN 5998-00-866-4605
NSN 5935-01-284-7400
NSN 5905-01-598-9602
NSN 5930-00-851-2151