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 5925-00-938-3447
NSN 6130-01-468-6484
NSN 6110-01-485-7779
NSN 5905-01-438-2464
NSN 6145-00-434-7236
NSN 6220-01-381-1074
NSN 5835-01-602-0311
NSN 5855-00-928-1912
NSN 5930-00-452-1316
NSN 5925-01-422-4569
NSN 6130-00-156-4550
NSN 6105-01-347-3395