COMPANY HEADER
Print Back
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
Tube Nut for fractional tube
Unit of Measure
1 2 

Item #

Tube O.D.

W HEX

1 BZ N/A 1/16 in N/A 5/16 in
2 BZ N/A 1/8 in N/A 7/16 in
3 BZ N/A 3/16 in N/A 1/2 in
4 BZ N/A 1/4 in N/A 9/16 in
5 BZ N/A 5/16 in N/A 5/8 in
6 BZ N/A 3/8 in N/A 11/16 in
8 BZ N/A 1/2 in N/A 7/8 in
10 BZ N/A 5/8 in N/A 1 in
12 BZ N/A 3/4 in N/A 1 1/8 in
14 BZ N/A 7/8 in N/A 1 1/4 in
16 BZ N/A 1 in N/A 1 1/2 in
20 BZ N/A 1 1/4 in N/A 1 7/8 in
24 BZ N/A 1 1/2 in N/A 2 1/4 in
32 BZ N/A 2 in N/A 2 3/4 in
1NU1 N/A 1/16 in N/A 5/16 in
2NU2 N/A 1/8 in N/A 7/16 in
3NU3 N/A 3/16 in N/A 1/2 in
4NU4 N/A 1/4 in N/A 9/16 in
5NU5 N/A 5/16 in N/A 5/8 in
6NU6 N/A 3/8 in N/A 11/16 in
8NU8 N/A 1/2 in N/A 7/8 in
10NU10 N/A 5/8 in N/A 1 in
12NU12 N/A 3/4 in N/A 1 1/8 in
14NU14 N/A 7/8 in N/A 1 1/4 in
16NU16 N/A 1 in N/A 1 1/2 in
Unit of Measure
1 2