Thread size of 10AN male coupler is 7/8-14 UNF, can use to splice or extend a line, works with female thread fitting.
DeatschWerks 6-02-0403 10AN ORB Male To 10AN Male Adapter (Incl O-Ring)
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LokoCar 10AN Female to 10AN Male With 1/8'' NPT Gauge Port Fitting Adapter 2Pcs
10AN Female to 10AN Male Swivel Coupler Union Fitting 90 Degree Adapter Aluminum
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