3 x 2 Inch (in) Size Aluminum Type DA Female Coupler x Male Adapter Reducing Cam and Groove Coupling

Type DA

Male Adapter x Female NPT (AR 3020AL)

Type AR

3 x 2 Inch (in) Size Aluminum Reducing B Female Coupler x Male NPT Coupling

Type BR

3 x 3 Inch (in) Size Aluminum Type BLN Longneck Female x Male NPT Specialty Cam and Groove Coupling

Type BLN

3 x 4 Inch (in) Size Aluminum Type CR Female Coupler x Shank Reducing C Cam and Groove Coupling

Type CR

3 x 2 Inch (in) Size Aluminum Type DR Female Coupler x Female NPT Reducing D Cam and Groove Coupling

Type DR

3 x 2 Inch (in) Size Aluminum Type ER Male Adapter x Shank Reducing E Cam and Groove Coupling

Type ER

2 1/2 x 2 1/2 Inch (in) Size Hard Coat Aluminum Type HA Hydro Adapter Cam and Groove Coupling with NST Fire Threads

Type HA

316 Stainless Steel Female NPSM x Male NPT Thread Reducer Fitting

Threaded