Brass 2 1/2" Female NYFD to 3" Male NPT (Hex) Female Threads_NH 068) outside diameter but is BHW Female Threads_NPSH Model:3158 (6.0 TPI x 3.623 OD) 50PF100YL HFX50X100Y50S or RC50

068) outside diameter but is called a 2 1/2 inch NH / NST Plug because the outside diameter of a 2 1/2 inch NH fire hose fitting measures 3 1/16 inch (3

Equivalent part number - HA1510T

Sign mounts using 2 approximately 3/8" holes aligned vertically along the center line

Equivalent part number - FM25NYC25F

Brass 2 1 2" Female NYFD to 3" Male NPT (Hex) Female Threads_NH 068) outside diameter but is BHW Female Threads_NPSH Model:3158 (6.0 TPI x 3.623 OD) 50PF100YL HFX50X100Y50S or RC50 068) outside diameter but is called a 2 1 2 inch NH NST Plug because the outside diameter of a 2 1 2 inch NH fire hose fitting measures 3 1 16 inch (3 Equivalent part number HA1510T