2pcs 3/8" to 3/8" NPT Male Thread Brass Straight Hex Nipple Fast Coupler Pipe Hose Fitting Brass Fitting - - Amazon.com
3/8" Male NPT x 3/8" Female NPT Brass Straight Adapter | Fastenal
JIC 8 Male x 3/8" NPT Male Straight 2404-08-06 Adapter | JIC Male to NPT Male - Straight | JIC to NPT | Hydraulic Adapters & Fittings | Hydraulics | www.surpluscenter.com
3/8" x 24 UNF (-3 AN JIC) Male to Male Adapter
3/8" Female SAE Swivel X 3/8" Male NTPF Adapter | Calóre Equipment