37° Flare JIC

37° flare fittings evolved as a higher pressure version of earlier flared fittings, whose origins date back to the early days of the automobile. It's original use was in hydraulic systems for agricultural and earth moving machinery, automotive transfer lines, and machine tools.

As exports of machinery increased after World War II, these fittings gained worldwide use and acceptance. Today, they are the most widely used fittings in the world, used in virtually every type of hydraulic application. They are known for simplicity, compactness, and reliability. Ratings vary from 5,000 PSI for 1/4" dia. to 1,500 PSI for 2" dia.

Table of Contents
Nut Inch Sleeve Female Elbow Female Connector
Nut Inch Sleeve Female Elbow Female Connector
Straight Thread
Elbow		 Straight Thread
Connector		 45° Straight
Thread Elbow
Straight Thread Elbow Straight Thread Connector 45° Straight Thread Elbow
Swivel Nut
Elbow		 Swivel Nut
Run Tee		 Long Straight
Thread Elbow		 Long Straight
Thread Connector
Swivel Nut Elbow Swivel Nut Run Tee Long Straight Thread Elbow Long Straight Thread Connector
Union Elbow Union Swivel
Connector		 Swivel
Connector
Union Elbow Union Swivel Connector Swivel Connector
Male Elbow Male Connector 45° Male Elbow
Male Elbow Male Connector 45° Male Elbow
Cap Plug Union Tee Union Cross
Cap Plug Union Tee Union Cross
Female
Branch Tee		 Swivel Nut
Run Tee		 Swivel Nut
Branch Tee
Female Branch Tee Swivel Nut Run Tee Swivel Nut Branch Tee
Straight Thread
Elbow		 Straight Thread
Connector		 Swivel Nut
Run Tee		 Swivel Nut
Branch Tee
Straight Thread Elbow Straight Thread Connector Swivel Nut Run Tee Swivel Nut Branch Tee
Bulkhead
Union		 Female Bulkhead
Connector		 Female Bulkhead
Connector
Bulkhead Union Female Bulkhead Connector Female Bulkhead Connector

Detailed parts availability:
(Note: Most popular sizes shown. Many others available, call or send Email to sales@phionline.com for further information.)


Nut Inch Sleeve
Nut Inch Sleeve
Tube OD Stock No. Stock No.
1/8 2 BTX-S 2 TX-S
3/16 3 BTX-S 3 TX-S
1/4 4 BTX-S 4 TX-S
5/16 5 BTX-S 5 TX-S
3/8 6 BTX-S 6 TX-S
1/2 8 BTX-S 8 TX-S
5/8 10 BTX-S 10TX-S
3/4 12 BTX-S 12 TX-S
7/8 14 BTX-S 14 TX-S
1 16 BTX-S 16 TX-S
1 1/4 20 BTX-S 20 TX-S
1 1/2 24 BTX-S 24 TX-S
2 32 BTX-S 32 TX-S
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Female Elbow Female Connector
Female Elbow Female Connector
Tube OD Port Thd Stock No. Stock No.
1/4 1/8-27 4 DTX-S 4 GTX-S
1/4 1/4-18 4-4 DTX-S 4-4 GTX-S
5/16 1/4-18   5-4 GTX-S
3/8 1/4-18 6 DTX-S 6 GTX-S
3/8 3/8-18 6-6 DTX-S 6-6 GTX-S
1/2 3/8-18 8 DTX-S 8 GTX-S
1/2 1/2-14 8-8 DTX-S 8-8 GTX-S
5/8 1/2-14   10 GTX-S
5/8 3/4-16 12 DTX-S 12 GTX-S
5/8 1/2-14   12-8 GTX-S
3/4 1-11 1/2   16 GTX-S
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Straight Thread
Elbow		 Straight Thread
Connector		 45° Straight
Thread Elbow
Straight Thread Elbow Straight Thread Connector 45° Straight Thread Elbow
Tube OD Port Thd Stock No. Stock No. Stock No.
1/4 7/16-20 4 C5OX-S 4 F5OX-S 4 V5OX-S
1/4 9/16-18 4-6 C5OX-S 4-6 F5OX-S  
1/4 3/4-16   4-8 F5OX-S  
5/16 3/4-16   5 F5OX-S  
3/8 9/16-18 6 C5OX-S 6 F5OX-S 6 V5OX-S
3/8 7/16-20 6-4 C5OX-S 6-4 F5OX-S  
3/8 3/4-16 6-8 C5OX-S 6-8 F5OX-S  
3/8 7/8-14   6-10 F5OX-S  
1/2 3/4-16 8 C5OX-S 8 F5OX-S 8 V5OX-S
1/2 9/16-18 8-6 C5OX-S 8-6 F5OX-S  
1/2 7/8-14 8-10 C5OX-S 8-10 F5OX-S  
1/2 1 1/16-12 8-12 C5OX-S 8-12 F5OX-S  
5/8 7/8-14 10 C5OX-S 10 F5OX-S 10 V5OX-S
5/8 3/4-16 10-8 C5OX-S 10-8 F5OX-S  
5/8 1 1/16-12   10-12 F5OX-S  
3/4 1 1/16-12   12 F5OX-S 12 V5OX-S
3/4 3/4-16 12-8 C5OX-S 12-8 F5OX-S  
3/4 7/8-14 12-10 C5OX-S 12-10 F5OX-S  
3/4 1 5/16-12 12-16 C5OX-S 12-16 F5OX-S  
1 1 5/16-12 16 C5OX-S 16 F5OX-S 16 V5OX-S
1 1 1/16-12 16-12 C5OX-S 16-12 F5OX-S  
1 1/4 1 5/8-12 20 C5OX-S 20 F5OX-S  
1 1/2 1 7/8-12 24 C5OX-S 24 F5OX-S  
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Swivel Nut
Elbow		 Swivel Nut
Run Tee
Swivel Nut Elbow Swivel Nut Run Tee
Tube OD Swivel Nut Thd Stock No. Stock No.
1/4 7/16-20 4 C6X-S 4 V6X-S
5/16 1/2-20 5 C6X-S  
3/8 9/16-18 6 C6X-S 6 V6X-S
1/2 3/4-16 8 C6X-S 8 V6X-S
5/8 7/8-14 10 C6X-S 10 V6X-S
3/4 1 1/16-12 12 C6X-S 12 V6X-S
1 1 5/16-12 16 C6X-S 16 V6X-S
1 1/4 1 5/8-12 20 C6X-S  
1 1/2 1 7/8-12 24 C6X-S  
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Long Straight
Thread Elbow		 Long Straight
Thread Connector
Long Straight Thread Elbow Long Straight Thread Connector
Tube OD Port Thd Stock No. Stock No.
1/4 7/16-20 4 CC5OX-S 4 FF5OX-S
3/8 9/16-18 6 CC5OX-S 6 FF5OX-S
1/2 3/4-16 8 CC5OX-S 8 FF5OX-S
3/4 1 1/16-12 12 CC5OX-S 12 FF5OX-S
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Union Elbow Union
Union Elbow Union
Tube OD Tube End Thd Stock No. Stock No.
1/4 7/16-20 4 ETX-S 4 HTX-S
3/8 9/16-18 6 ETX-S 6 HTX-S
3/8 to 1/4 7/16-20   6-4 HTX-S
1/2 3/4-16 8 ETX-S 8 HTX-S
1/2 to 3/8 9/16-18   8-6 HTX-S
5/8 7/8-14 10 ETX-S 10 HTX-S
5/8 to 1/2 3/4-16   10-8 HTX-S
3/4 1 1/16-12 12 ETX-S 12 HTX-S
1 1 5/16-12 16 ETX-S 16 HTX-S
1 1/4 1 5/8-12   20 HTX-S
1 1/2 1 7/8-12   24 HTX-S
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Male Elbow Male Connector 45° Male Elbow
Male Elbow Male Connector 45° Male Elbow
Tube OD Port Thd Stock No. Stock No. Stock No.
1/8 1/8-27   2 FTX-S  
3/16 1/8-27   3 FTX-S  
1/4 1/8-27 4 CTX-S 4 FTX-S 4 VTX-S
1/4 1/4-18 4-4 CTX-S 4-4 FTX-S 4-4 VTX-S
1/4 3/8-18 4-6 CTX-S 4-6 FTX-S  
1/4 1/2-14 4-8 CTX-S 4-8 FTX-S  
5/16 1/8-27 5 CTX-S 5 FTX-S  
5/16 1/4-18 5-4 CTX-S 5-4 FTX-S  
3/8 1/4-18 6 CTX-S 6 FTX-S 6 VTX-S
3/8 1/8-27 6-2 CTX-S 6-2 FTX-S  
3/8 3/8-18 6-6 CTX-S 6-6 FTX-S 6-6 VTX-S
3/8 1/2-14 6-8 CTX-S 6-8 FTX-S 6-8 VTX-S
1/2 3/8-18 8 CTX-S 8 FTX-S 8 VTX-S
1/2 1/4-18 8-4 CTX-S 8-4 FTX-S  
1/2 1/2-14 8-8 CTX-S 8-8 FTX-S 8-8 VTX-S
1/2 3/4-14 8-12 CTX-S 8-12 FTX-S  
5/8 1/2-14 10 CTX-S 10 FTX-S 10 VTX-S
5/8 3/8-18 10-6 CTX-S 10-6 FTX-S  
5/8 3/4-14 10-12 CTX-S 10-12 FTX-S  
3/4 3/4-14 12 CTX-S 12 FTX-S 12 VTX-S
3/4 1/2-14 12-8 CTX-S 12-8 FTX-S 12-8 VTX-S
3/4 1-11 1/2 12-16 CTX-S 12-16 FTX-S  
1 1-11 1/2 16 CTX-S 16 FTX-S 16 VTX-S
1 3/4-14 16-12 CTX-S 16-12 FTX-S  
1 1/4 1 1/4-11 1/2 20 CTX-S 20 FTX-S  
1 1/4 1-11 1/2   20-16 FTX-S  
1 1/2 1 1/2-11 1/2 24 CTX-S 24 FTX-S  
1 1/2 1 1/4-11 1/2   24-20 FTX-S  
2 2-11 1/2 32 CTX-S 32 FTX-S  
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Swivel Connector Swivel Connector
Swivel Connector Swivel Connector
Tube OD Swivel Nut Thd Stock No. Stock No.
1/4 7/16-20 4 F6X-S  
5/16 1/2-20 5-4 F6X-S  
3/8 9/16-18 6 F6X-S 6 G6X-S
3/8 9/16-18 6-6 F6X-S 6-6 G6X-S
1/2 3/4-16 8 F6X-S 8 G6X-S
1/2 3/4-16   8-8 G6X-S
5/8 7/8-14 10 F6X-S 10 G6X-S
3/4 1 1/16-12 12 F6X-S 12 G6X-S
3/4 1 1/16-12 12-8 F6X-S  
1 1 5/16-12 16 F6X-S  
1 1 5/16-12 16-12 F6X-S  
1 1/4 1 5/8-12 20 F6X-S  
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Cap Plug
Cap Plug
Tube OD Thd End Thd Stock No. Stock No.
3/16 3/8-24 3 FNTX-S 3 PNTX-S
1/4 7/16-20 4 FNTX-S 4 PNTX-S
5/16 1/2-20 5 FNTX-S 5 PNTX-S
3/8 9/16-18 6 FNTX-S 6 PNTX-S
1/2 3/4-16 8 FNTX-S 8 PNTX-S
5/8 7/18-14 10 FNTX-S 10 PNTX-S
3/4 1 1/16-12 12 FNTX-S 12 PNTX-S
1 1 5/16-12 16 FNTX-S 16 PNTX-S
1 1/4 1 5/8-12 20 FNTX-S 20 PNTX-S
1 1/2 1 7/8-12 24 FNTX-S 24 PNTX-S
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Union Tee Union Cross
Union Tee Union Cross
Tube OD Tube End Thd Stock No. Stock No.
1/4 7/16-20 4 JTX-S 4 KTX-S
3/8 9/16-18 6 JTX-S 6 KTX-S
1/2 3/4-16 8 JTX-S 8 KTX-S
5/8 7/8-14 10 JTX-S  
3/4 1 1/16-12 12 JTX-S 12 KTX-S
1 1 5/16-12 16 JTX-S  
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Female Branch Tee Swivel Nut
Run Tee		 Swivel Nut
Branch Tee
Female Branch Tee Swivel Nut Run Tee Swivel Nut Branch Tee
Tube OD Port Thd Stock No. Stock No. Stock No.
1/4 1/8-27 4 OTX-S 4 RTX-S 4 STX-S
1/4 1/4-18   4-4-4 RTX-S 4-4-4 STX-S
3/8 1/4-18 6 OTX-S 6 RTX-S 6 STX-S
3/8 3/8-18   6-6-6 RTX-S 6-6-6 STX-S
1/2 3/8-18 8 OTX-S 8 RTX-S 8 STX-S
1/2 1/2-14   8-8-8 RTX-S 8-8-8 STX-S
5/8 1/2-14   10 RTX-S 10 STX-S
3/4 3/4-14 12 OTX-S 12 RTX-S 12 STX-S
1 1-11 1/2   16 RTX-S 16 STX-S
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Straight Thread
Elbow		 Straight Thread
Connector
Straight Thread Elbow Straight Thread Connector
Tube OD Port Thd Stock No. Stock No.
1/4 7/16-20 4 R5OX-S  
3/8 9/16-18 6 R5OX-S 6 S5OX-S
1/2 3/4-16 8 R5OX-S 8 S5OX-S
3/4 1 1/16-12 12 R5OX-S 12 S5OX-S
1 1 5/16-12 16 R5OX-S  
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Swivel Nut
Run Tee		 Swivel Nut
Branch Tee
Swivel Nut Run Tee Swivel Nut Branch Tee
Tube OD Swivel Nut Thd Stock No. Stock No.
1/4 7/16-20 4 R6X-S 4 S6X-S
3/8 9/16-18 6 R6X-S 6 S6X-S
1/2 3/4-16 8 R6X-S 8 S6X-S
5/8 7/8-14 10 R6X-S  
3/4 1 1/16-12 12 R6X-S 12 S6X-S
1 1 5/16-12 16 R6X-S 16 S6X-S
1 1/4 1 5/8-12 20 R6X-S  
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Bulkhead Union Female Bulkhead
Connector		 Female Bulkhead
Connector
Bulkhead Union Female Bulkhead Connector Female Bulkhead Connector
Tube
OD		 Tube
End Thd		 Stock No. Stock No. Stock No.
1/4 7/16-20 4 WTX-WLN-S 4 WETX-WLN-S 4 WGTX-WLN-S
3/8 9/16-18 6 WTX-WLN-S 6 WETX-WLN-S 6 WGTX-WLN-S
1/2 3/4-16 8 WTX-WLN-S 8 WETX-WLN-S  
5/8 7/8-14 10 WTX-WLN-S    
5/8 1 1/16-12 12 WTX-WLN-S 12 WETX-WLN-S  
3/4 1 5/16-12 16 WTX-WLN-S 16 WETX-WLN-S  
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For more information or technical assistance, call us at 1 (800) 447-4409, or send e-mail to sales@phionline.com.

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