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: Articles of aluminum nesoi
NSN 6220-01-659-6852
NSN 5950-00-340-3926
NSN 6620-01-398-5924
NSN 6105-01-450-3605
NSN 5990-01-154-7296
NSN 5990-00-432-0649
NSN 5930-01-255-8280
NSN 5855-00-014-5008
NSN 6645-01-352-6583
NSN 5910-01-013-9388
NSN 6320-00-977-3930
NSN 6135-00-416-2898