Steel Adapter, 3/8-18 Male NPT To 9/16-18 Female JIC 37 deg Flare Swivel, Straight

A 1.72	Alternate Part Numbers Alternate Part Number C1KJ48, Alternate Part Number MI-00309271, Alternate Part Number MINO-00015F59339	Application Marine/Military, Chemical Processing, Pulp and Paper Industries, Food and Beverage Processing, Off-Shore Drilling	Brand Danfoss Power Solutions (II LLC Aeroquip)	Brand Aeroquip	Pack Size 1.00	UOM EA	End Gender 1 13554	End Gender 2 13555	End Size 1 0.38	End Size 2 0.56	End Type 1 NPTF	End Type 2 SAE 37	Hex Size 2 0.69	Minimum Working Temperature -40	Supplier Part Number 2018-6-6S	Thread 1 3/8-18	Thread 2 9/16-18	Thread Sealant No	Tube O.D. 0.38	Tube O.D. 0.38	Product Weight 0.10 lbs

Product Questions & Answers

Will this adapter work for connecting a 3/8" NPT male fitting to a 9/16" JIC female swivel?

Question by: Lynn F on Jul 20, 2025, 7:50 AM

Yes, this Eaton Aeroquip adapter is made to connect a 3/8-18 Male NPT to a 9/16-18 Female JIC 37 degree flare swivel.

Answer by: Customer Support on Jul 21, 2025, 8:12 PM

Model Number	Tube O.D.	Thread 1	Thread 2	A
2018-12-12S	0.75	3/4-14	1-1/16-12	2.15
2018-16-16S	1	1-11-1/2	1-5/16-12	2.54
2018-4-6S	0.38	1/4-18	9/16-18	1.59
2018-6-8S	0.5	3/8-18	3/4-16	1.74
2018-8-8S	0.5	1/2-14	3/4-16
2018-2-4S	0.25	1/8-27	7/16-20	1.32
2018-20-20S	1.25	1-1/4-11-1/2	1-5/8-12	2.78
2018-6-6S	0.38	3/8-18	9/16-18	1.72
6505-04-05	0.31	1/4-18	1/2-20	1.41
6505-06-10	0.63	3/8-18	7/8-14	1.86
6505-08-12	0.75	1/2-14	1-1/16-12	2.17
6505-12-10	0.63	3/4-14	7/8-14	1.93
6505-24-24	1.5	1-1/2-11-1/2	1-7/8-12	2.93
6505-04-04	0.25	1/4-18	7/16-20	1.45
6505-0606	0.38	3/8-18	9/16-18	1.72
6505-0810	0.5	1/2-14	7/8-14	2.28
6505-1216	1	3/4-14	1-5/16-12	2.4