Head undercut 0.143 in. Min, 0.162 in. Max dia, 0.005 in. Min, 0.010 in. Max depth
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 6620-01-392-6180
NSN 5945-01-410-7778
NSN 5915-00-934-3446
NSN 6150-01-578-5931
NSN 6610-01-534-6377
NSN 5998-01-100-1957
NSN 5975-01-281-6672
NSN 5975-00-144-7878
NSN 6240-01-348-8975
NSN 4140-01-472-2768
NSN 6620-01-426-2220
NSN 5930-00-400-6186