Item has 12 holes drilled through and equally spaced. 3 are equally spaced from each other (every 4th hole) and 8-32 unc-2b. The other 9 are unthreaded and 0.1360 thru.
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 5935-01-148-3972
NSN 6610-00-119-1591
NSN 5835-01-529-3050
NSN 5915-00-514-2098
NSN 6620-01-583-8155
NSN 6130-00-711-0528
NSN 5855-01-600-0486
NSN 7035-01-481-2110
NSN 5985-01-573-3604
NSN 6620-01-519-7234
NSN 6130-00-887-4652
NSN 5855-00-862-3345