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 5996-01-021-7089
NSN 5985-01-428-2254
NSN 5998-01-546-5468
NSN 5965-01-556-9520
NSN 6130-01-246-9729
NSN 5925-00-734-1441
NSN 6610-01-516-2442
NSN 5985-00-528-1191
NSN 6685-01-025-1587
NSN 6135-00-062-5080
NSN 6105-01-219-7378
NSN 5905-00-824-5250