Optcial center hole per gc16a-1 both ends
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes bolt, internal wrenching and screw, cap, socket head.
NSN 5975-01-112-6611
NSN 6620-00-292-7000
NSN 6105-01-120-7916
NSN 6135-01-424-8130
NSN 6620-01-645-4148
NSN 6150-01-341-9797
NSN 6135-01-087-7895
NSN 6220-01-016-1776
NSN 5960-01-264-2087
NSN 5996-01-307-2756
NSN 4140-00-437-3778
NSN 6130-00-471-5067