DN100 X 40 (4" X 1.1/2" NB) BSPT BLACK FORGED STEEL REDUCING BUSH

Side 1 threaded: 4" BSPT Male
Side 1 suits an outside diameter (OD) of: 114.3mm
Side 2 threaded: 1.1/2" BSPT Female
Side 2 suits suits an outside diameter (OD) of: 48.3mm

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.