What size is the female thread on the adapter?
Foster / ZSI - 45 Degree Brass Elbow Adapter with 1/8" MNPT and 1/8" FNPT
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Open Jun 21, 2026 - 10:48 AM
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Answer
Jun 21, 2026 - 10:48 AM
The female thread on this foster adapter is 1/8 inch FNPT. FNPT means Female National Pipe Thread, which allows for compatibility with a wide range of standard fittings, making installation and replacement straightforward.
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