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Stainless Steel Adapter, 9/16-18 x 7/16-20 Male JIC 37 deg Flare To 9/16-18 x 7/16-20 Male JIC 37 deg Flare, Straight

Alternate Part Numbers Alternate Part Number C1FQ93	Brand Ssp Fittings Corp	Brand SSP Fittings Corp	Pack Size 1.00	UOM EA	L 1.40	Supplier Part Number J6-4U	Thread 2 9/16-18 x 7/16-20	Thread Sealant No	Product Weight 0.22 lbs

Product Questions & Answers 1

Product Questions & Answers

got a line stepping down from 3/8 to 1/4 JIC and need something to tie them together without a bunch of extra fittings in the way, this what I'd be looking at?

Question by: Warren G on Jul 26, 2025, 12:22 PM

For a straight reducing union between 9/16-18 and 7/16-20 male JIC 37 degree flare ends, yes, that's exactly what this fitting does. Both sides are male JIC with the standard 37 degree flare seat, so it bridges those two thread sizes in one compact piece. Overall length is 1.4 inches, so it keeps things tight without adding much run to your line.

Answer by: Customer Support on Jul 28, 2025, 8:19 AM

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Model Number	Tube O.D.	Thread 2	L
J10U	0.63	7/8-14	1.88
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J5U	0.31	1/2-20	1.37
J6-4U		9/16-18 x 7/16-20	1.4
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