Head is flattened on two sides, across the flats 0.990 in. Parallel item is alt from ms20014-66
An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.
Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 5855-00-149-0766
NSN 6220-01-580-0105
NSN 6145-01-084-8627
NSN 5990-01-440-7135
NSN 5990-01-472-2447
NSN 5945-01-093-2991
NSN 5950-00-917-5057
NSN 5950-00-986-8940
NSN 6645-01-502-3068
NSN 6135-01-275-9767
NSN 6320-01-230-8444
NSN 5965-01-408-6218