Aluminum 3" Male Camlock x 4" Male NPT Camlock Size_1/2 inch check the female coupling for

check the female coupling for numbers or letters

Double jacket hose with any color treatment is the most durable hose available

Meets National Fire Equipment System (NFES #0857)

male coupling on top

Aluminum 3" Male Camlock x 4" Male NPT Camlock Size_1/2 inch check the female coupling forGlobal type "F" aluminum 3 inch male camlock (Cam & Groove) coupler to 4 inch male NPT threads. Under no circumstances should cam and groove couplings be used for compressed air or steam service! Note: Image is example only and may not match dimensions of actual product. Connections The male side of this adapter will only connect to 3 inch female camlock The male threaded side of this adapter will only connect to a 4 inch female National Pipe Straight