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 6650-01-250-1244
NSN 5855-01-003-7102
NSN 5960-01-641-5493
NSN 6320-00-164-4087
NSN 5945-01-224-2864
NSN 2925-00-478-3742
NSN 5990-01-150-7443
NSN 6145-01-365-7801
NSN 5930-01-441-0703
NSN 5965-01-205-6249
NSN 5945-01-080-7043
NSN 6240-01-197-6064