Carriage bolt; round head, ribbed neck
No other part numbers with same form, fit, and function found.
A headed externally threaded fastener whose threaded portion is of one nominal diameter having two or more fins extending from the head to the shank.
NSN 5895-00-637-2658
NSN 6610-00-336-2404
NSN 5930-01-542-8759
NSN 6650-01-247-6623
NSN 6130-01-290-6474
NSN 5835-00-373-2671
NSN 5998-00-271-1555
NSN 6650-00-269-5000
NSN 5985-00-580-0902
NSN 5935-01-485-5495
NSN 5920-01-444-1397
NSN 5985-01-422-2552