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Global TTC 1 & 2 Wire Braid Steel Crimp Fitting, 9/16-18 Male O-Ring Face Seal, -04 Hose, Straight

Description & Features

The Aeroquip by Danfoss / Eaton 1A Series Crimp Hose Fittings Male ORS is designed for general purpose low and medium pressure hydraulic applications. This fitting, featuring a 9/16-18 male O-ring face seal, ensures reliable connections in demanding environments.

It integrates seamlessly with -04 hoses and is highly compatible with H277 or H435 hoses, especially where shock hazards exist. Engineered for resilience, this crimp fitting does not require a mandrel and uses no thread sealant, providing ease of installation and maintenance.

Manufactured under Danfoss Power Solutions, this straight steel crimp fitting is built to last, making it ideal for enhancing hydraulic performance.

Supplier Part Number: 1AA4MR4

Catalog Number: C1AQ21

Specifications

Brand Aeroquip® by Danfoss	a Dimensions 1.65 in	Compatible Hose ID 1/4 in	Connection Size 1 1/4 in	Connection Size 2 1/4 in	Connection Type Hose, Male ORFS	Connection Type 1 Hose	Connection Type 2 Male ORFS	Construction Style Crimp	Cut-Off Factor 0.856 in	d Dimensions 0.86 in	Dimension Standards SAE J1176	Dimensions 1.78 in L x 0.88 in W x 0.88 in H	End Connection Torque 10 to 12 lb-ft	End Gender 1 Male	End Size 1 9/16 in	End Size 2 1/4 in	Finish Dura-Kote™	Fitting Type Hose Fitting	For Use With 2661, EC115, EC118, EC215, EC881, FC510, FC579, FC611, FC619, FC639, FC693, FC735, FC839B, FC849, FC849B, GH120, GH195, GH194, GH681, GH663, GH781, GH793 and WH004 Series Hoses	Hex Size 5/8 in	Hose Dash Size 04	Inside Diameter 0.17 in	Manufacturing Cage Code VAN WERT OH - 0X660	Material Steel	Material Construction Carbon Steel	Series 1A Series	Thread Sealant Without Thread Sealant	Thread Size 9/16-18	Thread Type UNF

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Model Number	Thread Size	Hose Dash Size	d Dimensions
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1AA10MR8 TTC Steel ORS Crimp Fitting	1-14S	08	1.17 in
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1AA16MR12 TTC Steel ORS Crimp Fitting	1-7/16-12	12	1.34 in
1AA6MR6 TTC Steel ORS Crimp Fitting	11/16-16	06	0.99 in
1AA8MR6 TTC Steel ORS Crimp Fitting	13/16-16	06	1.95 in
1AA8MR8 TTC Steel ORS Crimp Fitting	13/16-16	08	1.13 in

Product Questions & Answers (2)

Question by: Dwayne A on Oct 22, 2025, 9:28 AM

got a -04 hose and need a straight male ORFS end, is this the right fitting?

Answer by: Customer Support on Oct 23, 2025, 1:38 PM

For a straight crimp fitting on -04 hose with a 9/16-18 male O-Ring Face Seal (ORS) thread, this matches that setup. It is a TTC steel crimp fitting intended for 1 and 2 wire braid hose.

Question by: Donna P on Jan 20, 2026, 2:45 PM

fitting says no thread sealant needed -- is that right? felt weird not putting anything on it before crimping

Answer by: Customer Support on Jan 22, 2026, 8:31 AM

For O-ring face seal connections like this one, thread sealant isn't just unnecessary, it can actually work against you. The seal comes from the O-ring itself making contact with the flat face of the mating port, not from anything on the threads. Applying sealant can interfere with that metal-to-face contact and cause more problems than it solves. So yes, skip the sealant on this one.

Global TTC 1 & 2 Wire Braid Steel Crimp Fitting, 9/16-18 Male O-Ring Face Seal, -04 Hose, Straight

Description & Features

Specifications

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Product Questions & Answers (2)