Side 1 threaded: 1/4" NPT Male
Side 1 suits an outside diameter (OD) of: 13.72mm
Side 2 threaded: 1/8" NPT Female
Side 2 suits suits an outside diameter (OD) of: 10.29mm
Material: Forged Steel A105N
Finish: Black Self Colour
Standards:
BS3799, ANSI B16.11 MSS SP-83, MSS SP-95, MSS SP-97
Alternative terminology:
Forged Steel, Carbon Steel, , Reducing Bush, Threaded, Screwed, , Fittings.