NPTM X NPTM Excel Metal part no. Equivalent Part no. Type 1 Equivalent part no Type 2 NPT MALE PIPE SIZE P Ø E L HEX F 1N-PHLN ------------ 1-1MHLN 1/16 0.12 XL 7/16 2N-PHLN -2-HLN- 2-2MHLN 1/8 0.19 XL 7/16 4N-PHLN -4-HLN- 4-4 MHLN 1/4 0.28 XL 9/16 6N-PHLN -6-6HLN 6-6 MHLN 3/8 0.38 XL 23/32 8N-PHLN -8-HLN 8-8 MHLN 1/2 0.47 XL 7/8 12N-PHLN ----------- --------- 3/4 0.62 XL 1-1/16 16N-PHLN ------------ --------- 1 0.88 XL 1-3/8
