Counterbore dia. 1.805-1.810 in., counterbore depth 0.120 in.
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 5935-01-567-7152
NSN 5935-00-048-7339
NSN 5960-01-481-3722
NSN 5930-00-797-7945
NSN 5990-01-462-1617
NSN 5950-01-311-9275
NSN 5999-01-517-6213
NSN 5920-01-281-7354
NSN 6145-01-094-6822
NSN 5930-00-526-7645
NSN 5998-01-617-8270
NSN 6130-01-034-6057