Third diameter from head tapered from second diameter at 25 degrees 30'
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 undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.
Classification: Zirconium and articles thereof nesoi
NSN 6130-00-111-3384
NSN 5920-01-177-3761
NSN 5935-01-550-8855
NSN 5855-01-027-8414
NSN 5998-01-217-9049
NSN 5965-01-032-0940
NSN 5905-00-843-4273
NSN 5905-00-997-5648
NSN 6685-01-027-1168
NSN 4140-01-646-6831
NSN 5855-01-109-6433
NSN 6610-00-247-4487