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 4140-01-360-5134
NSN 6110-01-046-4244
NSN 5925-00-186-8669
NSN 4140-01-421-4045
NSN 6130-01-347-3620
NSN 6620-00-254-8985
NSN 5835-01-411-7050
NSN 5835-01-412-6901
NSN 5996-01-555-2924
NSN 5930-01-054-3497
NSN 5998-01-204-4176
NSN 6110-01-572-5216