Xhex shaped coupling with one hub end bored to 1.250" diameter and keyed o.25" wide by 0.125" deep for a 0.25" square key for the full hub length; other hub end is broached for 1.000"; for c.S. Controls model no. 2063a001 anchor windlass
NSN 6240-01-188-5280
NSN 5915-01-288-8456
NSN 5999-00-827-4648
NSN 5915-01-554-8852
NSN 5990-00-269-2226
NSN 5905-00-551-4242
NSN 5999-00-966-5137
NSN 5998-01-242-9913
NSN 5975-01-555-9148
NSN 6110-01-212-5909
NSN 5905-01-519-2725
NSN 5915-00-342-9261