Skip to the beginning of the images gallery

O-Ring for SAE J518 Split Flange Fittings & Adapters, 1.00 Inch

Dash Size -16	Brand Danfoss Power Solutions (II LLC Aeroquip)	Brand Aeroquip	Pack Size 1.00	UOM EA	Flange Size 1	I.D. 1.296 in	Materials Buna-N (90 durometer)	O.D. 1.574 in	Supplier Part Number FF9446-219	Temperature Range -40 to +250	Thread Sealant No	Product Weight 0.99 lbs	Alternate Part Numbers Alternate Part Number C1CV58, Alternate Part Number MI-00298711, Alternate Part Number MINO-00015F47143, Alternate Part Number SFO-16

Product Questions & Answers 5

Product Questions & Answers

got a split flange setup, flange size 1. is this the right o-ring or am i barking up the wrong tree

Question by: Marvin C on Mar 20, 2026, 11:41 AM

For a flange size 1 SAE J518 split flange connection, this O-ring matches that application. It is the split flange O-ring style in Buna-N (90 durometer) with a 1.296 inch ID and 1.574 inch OD.

Answer by: Customer Support on Mar 21, 2026, 12:35 PM

Will this o-ring work with a standard 1-inch split flange fitting?

Question by: Dustin A on Jan 13, 2026, 6:47 AM

This o-ring is specifically made for SAE J518 split flange fittings and adapters that are 1 inch in size. It should provide a reliable seal in those applications.

Answer by: Customer Support on Jan 15, 2026, 6:46 AM

Will this O-ring work with standard SAE J518 flanges? Just want to make sure before I order a bunch.

Question by: Earl P on Sep 15, 2025, 10:00 AM

It's designed to fit SAE J518 split flange fittings and adapters. The dimensions – 1.296" ID and 1.574" OD – should give you a dependable seal in those applications.

Answer by: Customer Support on Sep 17, 2025, 7:29 AM

does this o-ring work with SAE J518 split flange setups, or is it only for certain types of flange fittings?

Question by: Melvin R on Nov 14, 2025, 7:29 PM

SAE J518 split flange fittings and adapters are exactly what this o-ring is built around. The dimensions back that up too. You've got a 1.296-inch inner diameter, 1.574-inch outer diameter, and a 0.139-inch width. Those measurements are specific to the 1-inch, dash-16 split flange size, so if your fittings match that spec, the fit should be right on.

Answer by: Customer Support on Nov 16, 2025, 7:22 AM

i’ve got a split flange setup, dash -16. is this o-ring the right size for that?

Question by: Marvin G on May 31, 2025, 12:35 PM

For SAE J518 split flange fittings and adapters in dash size -16, this is the matching split flange O-ring size. The dimensions called out are 1.296 inch ID, 1.574 inch OD, with a 0.139 inch width.

Answer by: Customer Support on Jun 1, 2025, 12:44 PM

Similar Products

Model Number	Flange Size	Dash Size	Materials	Temperature Range	I.D.	Width (E)	O.D.
FF9446-214	0.75	-12	Buna-N (90 durometer)	-40 to +250	0.984 in	0.139	1.262 in
FF9446-219	1	-16	Buna-N (90 durometer)	-40 to +250	1.296 in	0.139	1.574 in
FF9446-222	1.25	-20	Buna-N (90 durometer)	-40 to +250	1.484 in	0.139	1.762 in
FF9446-225	1.5	-24	Buna-N (90 durometer)	-40 to +250	1.859 in	0.139	2.137 in
FF9446-228	2	-32	Buna-N (90 durometer)	-40 to +250	2.234 in	0.139	2.512 in
FF9446-210	0.5	-08	Buna-N (90 durometer)	-40 to +250	0.734 in	0.139	1.012 in