SMC Female Straight fittings are female NPT on one size, and PTC on the other. SMC fittings feature a metal sleeve which aligns with the inside of the air line, providing an improved seal. SMC fittings are DOT approved for 1/4, 3/8 and 1/2 inch PTC.
Fitting Size | 1/8" NPT to 1/4" PTC, 1/4" PTC to 1/4" NPT, 3/8" NPT to 1/4" PTC, 3/8" PTC to 1/4" NPT, 3/8" PTC to 3/8" NPT |
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