Surface treatment sf-3, iii a; 1.072 r; 0.906 h
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 6645-00-527-7258
NSN 4140-01-085-4965
NSN 5950-01-486-9032
NSN 6650-01-357-6859
NSN 6320-01-207-9038
NSN 5925-01-385-6240
NSN 5835-01-376-8454
NSN 5905-00-441-8544
NSN 5950-01-606-9819
NSN 6110-01-320-3324
NSN 6150-01-517-3208
NSN 4140-00-213-9937