End item is mb-2 aircraft tow tractor
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 5905-01-519-2619
NSN 5998-01-623-5794
NSN 6610-01-469-8851
NSN 2925-01-316-0725
NSN 6220-01-516-3597
NSN 6220-00-827-0227
NSN 5960-00-950-7194
NSN 6650-01-444-1321
NSN 5975-01-089-4600
NSN 5998-00-914-9159
NSN 7035-00-991-6877
NSN 2925-01-523-3607