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Parker CPI™/A-LOK® Instrumentation Tube Fittings are designed as leak-free connections for process, power and instrumentation applications. The CPI tube fittings utilize a single ferrule for easy make-up and excellent performance in vibration applications. The “spring loaded” effect of the single ferrule creates a constant tension between the fitting body and fitting nut. The A-LOK two ferrule compression tube fittings are designed to provide reliable leak-free connections for applications thatmore
NPT Female Run Tee for fractional tube
Unit of Measure
1 2 

Item #

Connection Type

NPT Pipe Thread

A

C

H

L

W HEX

2-2-2 MBZ N/A CPI™ x FNPT x CPI™ N/A 1/8 N/A 1.71 in N/A .96 in N/A .75 in N/A .70 in N/A 1/2 in
3-2-3 MBZ N/A CPI™ x FNPT x CPI™ N/A 1/8 N/A 1.75 in N/A 1.00 in N/A .75 in N/A .74 in N/A 1/2 in
4-2-4 MBZ N/A CPI™ x FNPT x CPI™ N/A 1/8 N/A 1.81 in N/A 1.06 in N/A .75 in N/A .77 in N/A 1/2 in
4-4-4 MBZ N/A CPI™ x FNPT x CPI™ N/A 1/4 N/A 2.05 in N/A 1.17 in N/A .88 in N/A .88 in N/A 11/16 in
5-2-5 MBZ N/A CPI™ x FNPT x CPI™ N/A 1/8 N/A 1.92 in N/A 1.17 in N/A .75 in N/A .88 in N/A 5/8 in
6-4-6 MBZ N/A CPI™ x FNPT x CPI™ N/A 1/4 N/A 2.11 in N/A 1.23 in N/A .88 in N/A .94 in N/A 11/16 in
8-4-8 MBZ N/A CPI™ x FNPT x CPI™ N/A 1/4 N/A 2.30 in N/A 1.42 in N/A .88 in N/A 1.02 in N/A 13/16 in
8-6-8 MBZ N/A CPI™ x FNPT x CPI™ N/A 3/8 N/A 2.30 in N/A 1.42 in N/A .88 in N/A 1.02 in N/A 13/16 in
8-8-8 MBZ N/A CPI™ x FNPT x CPI™ N/A 1/2 N/A 2.66 in N/A 1.53 in N/A 1.13 in N/A 1.13 in N/A 1 in
10-8-10 MBZ N/A CPI™ x FNPT x CPI™ N/A 1/2 N/A 2.70 in N/A 1.57 in N/A 1.13 in N/A 1.17 in N/A 1 1/16 in
12-12-12 MBZ N/A CPI™ x FNPT x CPI™ N/A 3/4 N/A 3.01 in N/A 1.76 in N/A 1.25 in N/A 1.36 in N/A 1 3/8 in
14-8-14 MBZ N/A CPI™ x FNPT x CPI™ N/A 1/2 N/A 3.01 in N/A 1.76 in N/A 1.25 in N/A 1.36 in N/A 1 3/8 in
14-12-14 MBZ N/A CPI™ x FNPT x CPI™ N/A 3/4 N/A 3.01 in N/A 1.76 in N/A 1.25 in N/A 1.36 in N/A 1 3/8 in
16-12-16 MBZ N/A CPI™ x FNPT x CPI™ N/A 3/4 N/A 3.19 in N/A 1.94 in N/A 1.25 in N/A 1.45 in N/A 1 3/8 in
16-16-16 MBZ N/A CPI™ x FNPT x CPI™ N/A 1 N/A 3.64 in N/A 2.14 in N/A 1.50 in N/A 1.65 in N/A 1 5/8 in
2FRT2N N/A A-LOK® x FNPT x A-LOK® N/A 1/8 N/A 1.71 in N/A .96 in N/A .75 in N/A .70 in N/A 1/2 in
3FRT2N N/A A-LOK® x FNPT x A-LOK® N/A 1/8 N/A 1.75 in N/A 1.00 in N/A .75 in N/A .74 in N/A 1/2 in
4FRT2N N/A A-LOK® x FNPT x A-LOK® N/A 1/8 N/A 1.81 in N/A 1.06 in N/A .75 in N/A .77 in N/A 1/2 in
4FRT4N N/A A-LOK® x FNPT x A-LOK® N/A 1/4 N/A 2.05 in N/A 1.17 in N/A .88 in N/A .88 in N/A 11/16 in
5FRT2N N/A A-LOK® x FNPT x A-LOK® N/A 1/8 N/A 1.92 in N/A 1.17 in N/A .75 in N/A .88 in N/A 5/8 in
6FRT4N N/A A-LOK® x FNPT x A-LOK® N/A 1/4 N/A 2.11 in N/A 1.23 in N/A .88 in N/A .94 in N/A 11/16 in
8FRT4N N/A A-LOK® x FNPT x A-LOK® N/A 1/4 N/A 2.30 in N/A 1.42 in N/A .88 in N/A 1.02 in N/A 13/16 in
8FRT6N N/A A-LOK® x FNPT x A-LOK® N/A 3/8 N/A 2.30 in N/A 1.42 in N/A .88 in N/A 1.02 in N/A 13/16 in
8FRT8N N/A A-LOK® x FNPT x A-LOK® N/A 1/2 N/A 2.66 in N/A 1.53 in N/A 1.13 in N/A 1.13 in N/A 1 in
10FRT8N N/A A-LOK® x FNPT x A-LOK® N/A 1/2 N/A 2.70 in N/A 1.57 in N/A 1.13 in N/A 1.17 in N/A 1 1/16 in
Unit of Measure
1 2