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 5990-01-482-5950
NSN 4140-01-534-9987
NSN 6610-01-350-4894
NSN 6320-00-186-6452
NSN 5960-01-445-3622
NSN 6320-00-004-9158
NSN 5925-00-275-0380
NSN 6110-01-244-7816
NSN 6150-00-313-5164
NSN 6620-00-335-9462
NSN 6610-00-820-4743
NSN 2925-01-442-4171