12.9; coarse threads
No other part numbers with same form, fit, and function found.
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
NSN 5910-01-334-9759
NSN 5835-01-550-5094
NSN 5905-01-352-5824
NSN 5945-01-534-9544
NSN 5985-01-426-8726
NSN 6645-00-067-7070
NSN 5975-00-143-4658
NSN 6620-00-918-3878
NSN 5905-00-906-9505
NSN 6145-01-330-2833
NSN 5905-01-204-8737
NSN 6220-01-141-7709