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 6150-01-415-7228
NSN 5975-01-361-2682
NSN 6240-00-045-7173
NSN 5895-01-069-8851
NSN 6650-01-562-0096
NSN 6145-01-397-6210
NSN 7035-01-010-4257
NSN 5895-00-612-8538
NSN 5905-01-401-5325
NSN 5935-01-151-8020
NSN 6110-00-826-0394
NSN 5930-00-106-3841