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Quantity
1
Description
Product # 81004-ST
Material = Steel
ID = 1.970" +/- OD = 2.345" +/- Overall Length = Varies based on selected option below Hole Cut = 2.080" Min / 2.345" MAX TPI = 11.5"
NPSM = (NATIONAL PIPE STRAIGHT MECHANICAL) TPI = (THREADS PER INCH)
Reviews
4.8
4 ratings
5
4
3
2
1
Part is awesome
Part is great 👍 but I ordered the wrong size. Can I return it please 🙏.
K
Ken · June 18, 2026
Just what I needed
They sent the parts they fit perfect going to use them again for sure
R
rulon · December 27, 2025
Fill neck
We have purchased numerous fill necks from Boyd. Some buttress and some NPSM. We've never been disappointed! There is zero distortion, the caps always screw on perfect. Boyd welding is a hidden gem.