Inch thread size: 4-40; decimal size: 0.112 inch; drive: number 1; thread fit: class 2a; fed specification: ff-s-92, qq-p-35; mil 51959 dash number: 13
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.
Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 5915-01-459-8059
NSN 6150-01-529-0560
NSN 5999-00-530-4844
NSN 5996-00-304-8196
NSN 6645-01-042-4220
NSN 5925-01-072-9189
NSN 5996-00-304-8196
NSN 4140-01-054-3553
NSN 5935-01-507-0669
NSN 5975-00-122-9518
NSN 5935-00-372-2038
NSN 5935-01-301-5818