Excel Metal part no. Equivalent Part no. Type 1 Equivalent part no Type 2 NPT MALE PIPE SIZE P Ø E L L1 HEX F
1N-PMT ----------------- 1-1-1MT 1/16  0.12  1.68  0.84  7/16
2N-PMT -2-MT 2-2-2MT 1/8  0.19  1.68  0.84  7/16
4N-PMT -4-MT 4-4-4MT 1/4  0.28  2.02  1.01  9/16
6N-PMT -6-MT 6-6-6MT 3/8  0.38  2.26  1.13  11/16
8N-PMT -8-MT 8-8-8MT 1/2  0.47  2.74  1.37  7/8 
12N-PMT --------------- 12-12-12MT 3/4  0.62  2.96  1.48  1-1/16 
16N-PMT --------------- 16-16-16MT 0.88  3.76  1.88  1-3/8
20N-PMT --------------- 20-20-20MT 1-1/4 1.09 4.44 2.22 1-5/8
24N-PMT --------------- 24-24-24MT 1-1/2 1.34 5.28 2.64 1-7/8