Cylinder adapter fittings from US brands and US-based sellers
6 US brands and sellers surfaced here at $8.99 to $609.00, each verified from Amazon's own published seller info. Last verified August 21, 2026.
Amazon ranks by what sells fastest, so a cylinder adapter fitting from an established brand gets buried under cheap imports no matter how far you scroll. This page lists the US brands and US-based sellers for cylinder adapter fittings, so you can start from the ones worth trusting.
We read each seller's registered country from Amazon's own published seller info. We don't claim anything here is manufactured in the US, only that you're buying from a US brand or a US-based seller.
Quick comparison
| Brand | Price | Seller |
|---|---|---|
| Harris Products Group | $609.00 | US-based seller |
| Parker Hannifin | $8.99 | US-based seller |
| Smith Equipment | $38.99 | US-based seller |
| Swagelok | $23.98 | US-based seller |
| Victor Technologies | $16.99 | US-based seller |
| Western Enterprises | $19.99 | US-based seller |
Confirmed US brands and sellers
6 listings where Amazon's own seller info places the seller in the US. Each badge says which.
Harris Model 8700-1500-677 Argon, Helium, Nitrogen Ultra High Delivery Pressure Regulator - 3200320
Parker Hannifin 222P-6-4 Brass Adapter Pipe Fitting, 3/8" Female Thread x 1/4" Male Thread
Smith Equipment 14984 ADAPTOR,SST L.T. TIP
Swagelok SS-400-1-4 Stainless Steel Tube Fitting, Male Connector, 1/4" Tube OD, 1/4" Male NPT
VICTOR 0662-0014 VALVE STEM ASSEMBLY
Western Enterprises 314 Brass Cylinder Adaptors, from CGA-200 "MC" Acetylene to CGA-520 "B" Tank
New US finds, once a month
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