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 6240-00-470-7625
NSN 6105-01-099-0242
NSN 6150-01-123-3982
NSN 5960-01-252-8821
NSN 5999-01-534-9682
NSN 5915-01-241-4622
NSN 5960-01-144-1515
NSN 5855-01-396-0258
NSN 5895-01-616-8800
NSN 5950-00-180-6969
NSN 5996-01-630-5791
NSN 5985-01-025-1491