P-NPT Size (in.) | Basic Ordering Number | L | F | E Minimum Opening | | 1/8 | LN-NS2-76.2 | 76.2 | 11.1 | 4.8 | | 1/4 | LN-NS4-101.6 | 101.6 | 14.3 | 7.1 | | 3/8 | LN-NS6-101.6 | 101.6 | 17.5 | 9.7 | | 1/2 | LN-NS8-152.4 | 152.4 | 22.2 | 11.9 | | 3/4 | LN-NS12-101.6 | 101.6 | 27.0 | 15.7 | | 1 | LN-NS16-101.6 | 101.6 | 34.9 | 22.4 | |  |