MIL-DTL-3903F
3.4.2.1 Mechanical splices. A mechanical splice shall be fabricated by pressing or
swaging one or more metal sleeves over the rope junction.
3.4.2.2 Fittings. Swage sleeves shall conform to A-A-52540 or other swage sleeves that
conform to the quality assurance provisions of A-A-52540.
3.4.2.3 Strand ends. Spliced strand ends shall be neatly cut. Burning shall not be
permitted.
3.4.2.4 Tensile strength. Minimum tensile strength shall be as specified in table IV.
3.5 Choker hooks. When specified (see 6.2), a sliding choker hook shall be fitted
between the loops of each sling. Hooks shall be the applicable size for the wire rope and shall
conform to MIL-DTL-13220.
3.6 Dimensions. The length of the slings shall be the length from bearing point to
bearing point when the loops lay the natural and the length of the loop is approximately twice the
width of the loop (see figure 1). The length of the sling and loop shall be as specified in
table V (see 6.2). The slings shall not vary from the length specified more than ± 2 diameters of
the wire rope used, or ± 0.5 percent of sling lengths, whichever is greater.
3.7 Finish. Types I and II slings shall be finished as specified (see 6.2). When zinc-
coated rope is specified, the metal sleeves of type II slings shall be zinc-coated in accordance to
ASTM B633, Fe/Zn 25, type II finish or cadmium plated in accordance with SAE AMS-QQ-P-
416, class 1, type II.
3.8 Identification. Identification shall be in accordance with MIL-STD-130. A metal tag
shall be securely attached to each sling. Metal tags shall be corrosion resistant, 0.016 inch
minimum thick steel, securely fastened adjacent to one of the eye spliced loops by corrosion
resistant 0.047 inch minimum diameter wire. The tag shall have the following information
etched or punched thereon:
WIRE ROPE ASSEMBLY, SINGLE LEG (SLING TYPE)
NSN___________________________ Rope dia.______________ Grade__________
Length of assembly________________________
Loop size__________________
Contract no.___________________________ Date_____________________
Manufacturer___________________________________________________
Rated Capacity in short tons (2,000 pounds) __________________
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