Thread Size : 0.1900-32UNJF-3B, Width Across Flats (in) : 0.367-0.376, Width Across Corners (in) : 0.41, Cap Width (in) : 0.234, Minimum Drill Depth (in) : 0.262, Maximum Drill Depth (in) : 0.314, Weight (lbs/100) : 0.5, Locking Insert : Red Nylon (350?F Max Performance), Performance : NASM25027 as Applicable, Sealing - 80 PSI, Series : NKM, Thread Type : UNJF, Thread Notes : AS8879, Thread Squareness : ESNA Spec 405, Group I, Material : Steel, Finish : Cadmium, Finish Classification : Post Plate Treatment - Cadmium Plate, per SAE AMS-QQ- P-416, Type II, Overall Height (in) : 0.363, Hex Height (in) : 0.14