The GROCO 1-1/4" NPS NPT Combo Stainless Steel Thru-Hull Fitting with Nut, part number TH-1250-WS, is a component designed for secure passage of lines or cables through a hull or bulkhead. It features a combination NPSM / NPT thread, providing flexibility for different connection types. The product is UL Listed 647B, indicating it meets specific safety and performance standards. This thru-hull fitting is intended for IT and infrastructure buyers who require reliable and compliant hardware for installations involving marine, industrial, or specialized enclosure applications where a robust pass-through solution is necessary.