Side 1 Thread: 1.1/2" NPT Male x Male
Suits an outside diameter (OD) of: 48.3mm
Side 2 Thread: 1.1/4" NPT Male x Male
Suits an outside diameter (OD) of: 42.4mm
Material: Forged Steel A105N
Finish: Black Self Colour
Standards:
BS3799, ANSI B16.11 MSS SP-83, MSS SP-95, MSS SP-97
Alternative terminology:
Reducing Heagon Nipple, Forged Steel, Carbon Steel,, Threaded, Screwed, , Fittings.