Description

P/N Thread Size NSN Dia. Max Dia. Min Length Grip Thread Length Locking Mech. Material Grade Weight (lb)AN4-42 1/4-28 UNF-3A N/A  0.249 0.246 4.281 3.813 0.468 Drilled Shank Alloy Steel* 4037 or 8740  0.063125 AN4-42A 1/4-28 UNF-3A N/A 0.249 0.246 4.281 3.813 0.468 None Alloy Steel* 4037 or 87400.063445 *Cadmium Plated, AMS-QQ-P-416, Type II, Class 2 **Passivation per AMS2700 AN Bolts from AirfascoIn stock, ready to ship! Save $$$For all AN3 through AN20 options, see below table and key for hardware that McFarlane carries. Use the key for help with selection of part numbers.No “A” = Drilled Shank (AN3-3)A = Undrilled Shank (AN3-3A) H = Drilled Head (AN3H3) C = Stainless Steel (AN3C5)Partial P/N Wrench Size AN3 3/8′ AN47/16’AN5 1/2′ AN6 9/16′