Boeing t.O. 21-44-05-01, screw, paan head, full threaded
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
NSN 5960-01-487-6436
NSN 6105-01-572-0271
NSN 5920-01-593-2489
NSN 6320-01-343-8191
NSN 4140-01-295-8264
NSN 5990-01-631-5537
NSN 6320-00-216-8779
NSN 6145-01-397-2892
NSN 5945-01-610-5894
NSN 5920-00-125-7757
NSN 5930-01-381-3155
NSN 5930-01-090-1422