Scr 2-56 pht stl zc 1/4
No other part numbers with same form, fit, and function found.
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 6610-00-290-0758
NSN 6145-00-891-6779
NSN 6650-00-153-3155
NSN 5905-01-184-5284
NSN 5925-00-089-0537
NSN 6150-01-139-3787
NSN 2925-00-147-3801
NSN 5965-01-610-5193
NSN 5835-01-506-0746
NSN 6145-00-427-7201
NSN 5930-01-472-6553
NSN 5985-00-081-9836