Head painted black per p32a-we4a
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also bolt, externally relieved body and bolt, internal wrenching.
NSN 5935-01-599-2295
NSN 6135-01-268-7056
NSN 5990-00-703-4926
NSN 5920-01-408-8076
NSN 5990-01-095-8866
NSN 5990-00-116-6590
NSN 5855-00-198-3197
NSN 6220-00-796-4977
NSN 6220-00-028-3964
NSN 6145-01-006-2845
NSN 6240-01-320-1308
NSN 5930-01-585-9315