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 5925-01-299-8919
NSN 6145-01-349-8995
NSN 2925-00-773-7217
NSN 5835-01-281-9662
NSN 5925-01-257-3017
NSN 5950-01-444-6479
NSN 6240-01-508-5052
NSN 5855-01-320-7640
NSN 6610-01-424-3213
NSN 6145-01-255-3630
NSN 6685-01-377-0519
NSN 7035-01-199-6915