Not casehardened; hole shape: round; shape: round
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 plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 5990-01-632-0969
NSN 5965-01-425-3904
NSN 4140-01-025-8487
NSN 5910-01-598-6253
NSN 6150-01-025-4755
NSN 5930-01-170-4878
NSN 5915-01-492-9691
NSN 6320-01-421-3777
NSN 6135-01-242-6484
NSN 5950-01-515-1947
NSN 5945-00-111-2050
NSN 5996-00-248-4883