Size 3/16 x 1/2 and item has pan head
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
NSN 5985-01-206-3736
NSN 5935-01-401-5324
NSN 6320-01-462-3555
NSN 6685-01-219-3310
NSN 5945-01-065-4405
NSN 6610-01-090-5908
NSN 6240-00-152-2996
NSN 6645-01-290-3930
NSN 5925-00-205-2767
NSN 7035-01-342-9124
NSN 5835-01-051-7584
NSN 5945-00-141-0160