1/4 in. x 1/8 in. Compression x Male NPT Polypropylene Adapter
1/4 in. x 1/8 in. Compression x Male NPT Polypropylene Adapter
✓ In stock at our distribution warehouses — typically ships within 1–2 business days.
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- $100 – $499.99: $14.95
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The 1/4 in. x 1/8 in. Compression x Male NPT Polypropylene Adapter is a polypropylene compression straight adapter that transitions between thread sizes or connects tubing to a male or female NPT pipe thread. Polypropylene construction provides strong chemical resistance for acids, bases, and chlorinated water service where brass would corrode or leach.
Technical Specifications
| Specification | Value |
|---|---|
| Body Material | Polypropylene |
| Connection Type | compression |
| Shape | Adapter |
| End Connections | See product title for sizes |
| Pressure Rating | 500 WOG (brass) / 150 WOG (nylon/polypropylene) |
| Temperature Range | −20°F to 250°F (nylon/poly) / −20°F to 366°F (brass/SS) |
Key Features
- Polypropylene body — resists chlorine, dilute acids, and alkalis
- Non-metallic — safe for potable water and chemical process applications
- Light weight; will not corrode or rust
- Compression connection — no soldering, brazing, or special tools required
- Ferrule (sleeve) forms permanent seal on copper, brass, and compatible plastic tubing
- Reusable on copper tube; single-use on soft plastic tubing
Common Applications
Standard in HVAC refrigerant and chilled-water piping, residential gas appliance connections, instrument tubing, water heater and boiler supply lines, and any application requiring a reliable tube-to-thread or tube-to-tube joint without soldering or brazing.
Technical Resources
- Compression Fitting Sizing Chart — Tube OD to fitting size reference
- NPT Thread Tightening Reference — Proper thread engagement turns
- Brass Fitting Types and Sizes Guide — All fitting styles explained
Cross-References
This part is an equivalent for industry part numbers 10-4-2P-0, 5016K411. Searching one of those? This is your match.