Third shoulder 0.240 in. Min to 0.250 in. Max diameter by 0.358 in. Min to 0.368 in. Max lg, fourth shoulder 0.307 in. Min to 0.312 in. Max diameter by 0.138 in. Min to 0.142 in. Max lg
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 4140-00-274-9638
NSN 6145-00-663-6133
NSN 6150-01-609-0632
NSN 5925-00-586-4567
NSN 4140-01-487-0821
NSN 6220-01-444-1889
NSN 6130-01-388-2973
NSN 6135-00-416-2898
NSN 5996-00-057-8538
NSN 5920-01-464-7016
NSN 5950-00-726-2277
NSN 5945-00-492-2307