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) : 0.207, Maximum Drill Depth (in) : 0.259, Weight (lbs/100) : 0.36, Locking Insert : Red Nylon (350?F Max Performance), Performance : NASM25027 as Applicable, Sealing - 80 PSI, Series : NKTM, Thread Type : UNJF, Thread Notes : AS8879, Thread Squareness : ESNA Spec 405, Group I, Material : Steel, Finish : Cadmium, Finish Classification : Cadmium Plate, SAE AMS-QQ- P-416, Type I, Class 3, Overall Height (in) : 0.308, Hex Height (in) : 0.11