Keyway on threaded end
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 7035-01-209-3929
NSN 6685-01-599-0813
NSN 6240-01-176-4359
NSN 4140-00-541-9077
NSN 2925-00-233-5644
NSN 6105-00-161-1834
NSN 6130-01-512-2247
NSN 5935-00-279-1778
NSN 5996-01-167-0027
NSN 6685-00-491-1101
NSN 6135-01-090-5365
NSN 6320-01-371-3047