Anneal after machining
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 6105-01-605-1972
NSN 5975-00-224-4342
NSN 6645-01-443-4854
NSN 6650-01-364-8504
NSN 6150-01-508-4947
NSN 5855-01-176-9935
NSN 5935-01-369-6112
NSN 5895-01-391-8013
NSN 5990-00-782-1400
NSN 5985-01-165-4380
NSN 6645-01-116-0750
NSN 5985-01-476-0381