3/8 in. x 1/4 in. Composite Stainless Steel Male Connector
Sizes in This Series
316 stainless steel push-in male fittings for corrosive and high-purity service. Jump to another size or add it straight to your cart:
| Size | Part # | Price | Cart |
| 5/32 in. x 1/8 in. | 20050SS | $23.99 | Add to cart |
| 3/8 in. x 1/4 in. (this page) | 20058SS | $28.99 | — |
Overview
The Midland 20058SS is a 316 stainless steel male connector linking 3/8 in. push-in tubing to a 1/4 in. Male NPT port. The all-metal push-to-connect body seals tubing without tools and withstands chlorides, acids, and sanitary washdown that corrode brass fittings.
Technical Specifications
| MPN | 20058SS |
| Tube Size (Push-In) | 3/8 in. |
| Thread Size | 1/4 in. - 18 Male NPT |
| Connection Type | Push-to-Connect x Male NPT |
| Pressure Rating | 250 psi |
| Temperature Rating | 5°F to 230°F |
Materials of Construction
| Body | 316 Stainless Steel |
| Collet / Grip Ring | Stainless steel gripping ring |
| O-Ring Seal | FKM (fluoroelastomer) |
Typical Applications
Specified for chemical dosing skids, analytical instrumentation, food and beverage, and marine pneumatics where 316 stainless is mandatory. The 1/4 in. Male NPT thread mates with valves, gauges, and manifolds.
Cross-Reference and Interchange
This 316 stainless push-in male connector cross-references to these competitor and industry part numbers: 268PP-SS-6B. Replacing one of these? Match nominal size, connections, and rating, or send us your part number and we will confirm the interchange.
Sizing and Installation Resources
- Push-to-Connect Fittings Selection Guide
- NPT Thread Tightening: Turns Past Hand-Tight
- Pipe Size Reference Chart
- Teflon Tape vs. Pipe Dope
Frequently Asked Questions
What tubing fits the push-in end?
3/8 in. (10 mm nominal) OD tubing inserts directly into the stainless collet.
Why 316 stainless?
It resists chlorides, acids, and repeated washdown, making it suited to chemical, marine, and sanitary service.
Do I seal the NPT thread?
Yes. Use PTFE tape rated for stainless and tighten one to two turns past hand-tight.
What is the pressure rating?
250 psi across the 5°F to 230°F temperature range.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.