Superior Products NP-753SS CGA 346 1/4 NPTM 2.5in SS Nipple Fitting
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The Superior Products NP-753SS is a new stainless steel CGA 346 nipple fitting with a 1/4 in NPTM threaded end and an overall length of 2.5 inches, as confirmed by both the part label ("NP, 346, 1/4NPTM, 2.5"LNG") and the "SS" suffix indicating 316 stainless steel construction. The CGA 346 connection is a Compressed Gas Association standard for Air, up to 3,000 PSI, making this nipple suitable for use on compressed air cylinder valves and manifolds. Per the bag label, this fitting has been cleaned for oxygen service per CGA G-4.1, qualifying it for oxygen gas systems as well. The "W/E SS-14-3" notation on the label indicates this nipple ships with a stainless steel hex nut (SS-14-3), visible in the photos as the knurled hex collar mid-body. Made in the U.S.A., this fitting is designed for high-pressure gas cylinder and regulator connections in welding, laboratory, and industrial gas distribution applications.
Product Specifications
| Brand | Superior Products |
| Part Number | NP-753SS |
| Included Nut Part Number | SS-14-3 |
| CGA Connection | CGA 346 |
| Thread Type | 1/4 in NPTM |
| Overall Length | 2.5 in |
| Material | 316 Stainless Steel |
| Oxygen Service Cleaning | Cleaned per CGA G-4.1 |
| Max Pressure (CGA 346) | 3000 PSI |
| Compatible Gas | Air, Oxygen (O2) |
| Country of Origin | USA |
| Condition | New |