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 5835-00-389-2816
NSN 5905-01-423-5823
NSN 6320-01-523-4954
NSN 6620-01-460-2788
NSN 7035-00-442-1869
NSN 5895-00-959-2284
NSN 6150-01-325-9872
NSN 5905-01-007-3560
NSN 5925-01-649-1424
NSN 5915-01-381-5267
NSN 5930-00-146-1300
NSN 6685-01-535-0924