Holes are counterbored to 0.562 in. Dia. By 0.125 in. Deep and countersunk to 0.343 in. Dia. By 90 deg.; surface roughness=125 microinches; anodized per mil-a-8625, type ii, class 2, colorblack
A rigid metal item usually fabricated from steel castings and/or welded steel pieces and designed with one or more hole(s) in line to accompany and hold, align, or support a nonrotating mechanical shaft. It has mounting holes for fastening to a supporting member or main body. It may have provision to accommodate a pin or threaded fastener to hold the shaft in a fixed position.
Classification: Shaft couplings, except universal joints
NSN 5950-01-576-2741
NSN 5975-01-527-2406
NSN 5935-00-945-7770
NSN 5905-01-074-7409
NSN 5905-01-435-4531
NSN 5999-01-202-6585
NSN 2925-01-320-6512
NSN 5960-01-054-5228
NSN 6110-00-288-4179
NSN 2925-01-255-6394
NSN 6240-00-398-0740
NSN 5960-00-650-7476