3/8 BSP Racing Fuel
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Solder Nipple Copper Petrol Fuel Pipe 3/8" OD x 3/8" BSP
Part no: D115/24Excl. Tax: £1.08 Incl. Tax: £1.30 -
1M Fuel SyStem Unleaded Fuel HoSe Petrol Black 17mm OD x 3/8 ID
Part no: B11-00586Excl. Tax: £4.83 Incl. Tax: £5.80 -
1M Fuel Malleable Copper Petrol Pipe Tube 3/8 OD x 0.319 ID Vintage Classic Car
Part no: B11-00882Excl. Tax: £4.29 Incl. Tax: £5.15 -
1M Cotton Overbraided Fuel Hose Tube 15mm OD x 3/8 ID
Part no: B11-00477Excl. Tax: £6.82 Incl. Tax: £8.18 -
Solder Nut Copper Petrol Fuel Pipe 3/8" BSP - For 3/8 OD Tube
Part no: D116/24Excl. Tax: £2.32 Incl. Tax: £2.78 -
PTFE Tape 1/2" X 0.075MM X 10MTR White 11-01439
Part no: 11-01439Excl. Tax: £2.32 Incl. Tax: £2.79 -
Tube Cutters - Copper Pipe Tube Cutter 3-16mm 12-03279
Part no: 12-03279Excl. Tax: £12.83 Incl. Tax: £15.40
The root diameter is 0.589" and there is 19 T.P.I.
The motoring industry use the outside diameter of the pipe for it's size and for 1/4" BSP you have the options of 3/8" OD pipe.
Abbreviations: O.D. Outside Diameter - I.D. Inside Diameter - T.P.I. Threads Per Inch