York Style Spring Brass Check Valve|
Brass Flange Backnut 1/2"BSP (BFN15) Description:
Female Thread 1/2" BSP (Approx. 19mm)
- This backnuts are hexagonal nuts (23mm) with an
integral flange and are used to secure a tap fitting to a basin, sink or bath.
- Replacement broken PVC flange backnut to better
- Also application as a jam nut
regarding identification by measuring BSPT (British Standard Pipe Thread) fittings. The measurements are not
as straightforward as you may think.
Instance the outside diameter of a 1/2" BSP male thread is approximate 20.5mm,
Female Thread is approximate 19mm
You should check dimensions to correctly
identify the fitting you require.