PERMANENT FITTINGS - 91N SERIES
46
H
A
J
B
1AL91N A-LOK® Compression
91N Series Permanent
Part
Number
Part
Number
C Inch
Tube
Size
A
Cutoff
Allow. B
H
Hex
J
Hex
(w/nut/ferrules)
(w/o nut/ferrules)
Inch Inch MM Inch MM Inch Inch
1AL91N-4-4 (+)
1AL91N-4-4N (+)
-4
1/4 1.30 33 7/16 11 1/2 9/16
1AL91N-4-5 (+)
1AL91N-4-5N (+)
-5
1/4 1.35 34 7/16 11 1/2 9/16
1AL91N-6-6 (+)
1AL91N-6-6N (+)
-6
3/8 1.53 39 1/2 13 5/8 11/16
1AL91N-8-8 (+)
1AL91N-8-8N (+)
-8
1/2 1.61 41 7/16 11 13/16 7/8
1AL91N-12-12 (+) 1AL91N-12-12N (+)
-12
3/4 1.86 47 1/2 13 1-1/8 1-1/8
1AL91N-16-16 (+) 1AL91N-16-16N (+)
-16
1 2.11 58 7/16 11 1-3/8 1-1/2
C – 316 stainless steel nipple, nut and ferrules; 303 stainless steel shell.
Note: Nut part no. is XNUX-316; front ferrule part no. is XFFX-316; back ferrule part no. is XBFX-316.
X Denotes dash size.
Please reference Instrument Tubing Selection Guide, Bulletin 4200-TS, or contact the Instrumentation
Connectors Division in Huntsville, Alabama, (Phone: 256-881-2040) directly for correct installation and
application information.
Please reference Instrument Tubing Selection Guide, Bulletin 4200-TS, or contact the Instrumentation
Connectors Division in Huntsville, Alabama, (Phone: 256-881-2040) directly for correct installation and
application information.
A
B
J
E
45°
17991N SAE 45° Swivel 90° Elbow
91N Series Permanent
*Part
Number
C
Thread
Size
Inch
Tube
Size
A
Cutoff
Allow. B
E
J
Hex
Inch Inch MM Inch MM Inch MM Inch
17991N-6-6
+ 5/8-18
-6
3/8 2.06 52 1-5/16 49 1.19 30 3/4
17991N-12-12
+ 1-1/16-14 -12
3/4 2.92 74 2-1/8 54 1.82 46 1-1/4
* Steel tube, nipple, nut and shell.
C – All components 303 stainless steel.
H
A
J
B
1P691N CPI® Compression (With Nut and Ferrule)
91N Series Permanent
Part
Number
Inch
Tube
Size
A
Cutoff
Allow. B
H
Hex
J
Hex
Inch Inch MM Inch MM Inch Inch
1P691N-4-4C (+)
-4
1/4 1.30 33 7/16 11 1/2 9/16
1P691N-4-5C (+)
-5
1/4 1.35 34 7/16 11 1/2 9/16
1P691N-6-6C (+)
-6
3/8 1.53 39 1/2 13 5/8 11/16
1P691N-8-8C (+)
-8
1/2 1.61 41 7/16 11 13/16 7/8
1P691N-12-12C (+)
-12
3/4 1.86 47 1/2 13 1-1/8 1-1/8
1P691N-16-16C (+)
-16
1 2.06 58 7/16 14 1-3/8 1-1/2
C – 316 stainless steel nipple, nut and ferrule; 303 stainless steel shell.
Note: Nut part No. is XBZ-SS; ferrule part No. is XTZ-SS. X Denotes dash size.
90/91N Fittings
(+) Non-Standard. Contact Customer Service for availability.