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Gas Fittings

Click here for GAS BALL VALVES

Click her for Regulator to Tank parts

How to determine Pipe Thread Size
Pipe thread sizes do not refer to any physical dimensions. The outside diameter of each pipe fitting
must be measured and compared to the table for size identification.
For example: a 1/4" NPT has an outside dimension of 0.54".
This is especially important when looking for Regulator fittings.

NPT SIZE
THREAD DIAMETER

THREAD DIAMETER (O.D. of MPT or I.D.
of FPT)

1/8" NPT

0.405

1/4" NPT

0.54

3/8" NPT

0.675

1/2" NPT

0.84

3/4" NPT

1.05

1" NPT 1

1.315

1-1/4" NPT

1.66

1-1/2" NPT

1.9

2" NPT

2.375

2-1/2" NPT

2.875

3" NPT

3.5

4" NPT

4.5





Model Product Image Item Name Price
Brass Cap - 03G07237ih Brass Cap - 1/4" Female Flare Thread

Brass Cap - 1/4" Female Flare Thread

$0.79




CO2 WasherComp - 02C03188ih CO2 Regulator Washer - Composite

CO2 Regulator Washer - Composite

$0.25




CO2 WasherNylon - 02H06294ih CO2 Regulator Washer - Nylon

CO2 Regulator Washer - Nylon

$0.25




AirDistFttg-HexNpple -03G07241ih Hex Nipple - Right Hand Thread

Hex Nipple - Right Hand Thread

$3.46




AirDistFttg-HexNpple-03C07245ih Hex Nipple - Left Hand Thread

Hex Nipple - Left Hand Thread

$3.36




AirDistFttg-HoseStem-05B01106ih Hose Stem

Hose Stem

$1.49




AirDistFttg-Adapter-05B01183ih MFL Adapter to MPT - Right Hand Thread

MFL Adapter to MPT - Right Hand Thread

$1.25




AirDistFttg-Adapter-03C03122ih MFL Adapter to MPT - Left Hand Thread

MFL Adapter to MPT - Left Hand Thread

$2.36




AirDistFttg-Adapter-05B01345ih MFL Adapter to MPT w/ Check Valve

MFL Adapter to MPT w/ Check Valve

$2.59




AirDistFttg-PipePlug-05B01135 Pipe Plug - 1/4" MPT

Pipe Plug - 1/4" MPT

$0.86




AirDistFttg-HexPlug-05B01154IH Hex Plug - 1/4" Right Hand Thread

Hex Plug - 1/4" Right Hand Thread

$0.99




AirDistFttg - HexPlug-03S07101ih Hex Plug - Left Hand Thread

Hex Plug - Left Hand Thread

$1.74




AirDistFttg - Reducer-05B01166 Pipe Reducer

Pipe Reducer

$1.99




AirDistFttg - WYE - 03A03121ih Y Splitter (WYE)

Y Splitter (WYE)

$8.08




Check&ReliefValve - 03G07136 Check & Relief Valve

Check & Relief Valve

$35.85





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