Bulkhead Adapter with Locknut 1/2 MBSPP x 3/8 MBSPP BLKHD W/LN

Bulkhead Adapter with Locknut, Connection Size 1: 1/2-in, Connection Type 1: Male BSPP, Connection Size 2: 3/8-in, Connection Type 2: Male BSPP, Steel, Thread Size 1: 1/2-14, Thread Size 2: 3/8-19, 54-mm L