Bulkhead Lock Nut

For Metric Tube
 
 
TUBE OD SIZE S STRAIGHT THREAD F MM L MM PART NO.
3 5/16-20 11 4.8 BLN-3
4 3/8-20 14 5.6 BLN-4
6 7/16-20 16 5.6 BLN-6
8 1/2-20 18 5.6 BLN-8
10 5/8-20 22 6.4 BLN-10
12 3/4-20 24 7.1 BLN-12
14 7/8-20 27 7.9 BLN-14
15 7/8-20 27 7.9 BLN-15
16 7/8-20 27 7.9 BLN-16
18 1-20 30 8.6 BLN-18
20 1-1/8-20 32 9.7 BLN-20
25 1-5/16-20 40 9.7 BLN-25

Dimensions are for reference only and are subject to change.