
20203 (20-237) by Midland | Flareless Fitting | Poly-Flo® Cap | 3/8" Tube OD | Brass
Minimum Order Quantity: 5 Units
Midland Industries
Brass Fitting - Flareless Fitting - Poly-Flo® Cap - Plastic
Flareless Brass Tube Fittings are Interchangeable with Poly-Flo®, Poly-Tite®, Poly-Line® and Poly-Fit®
Built-in SS Tube Support
| Buy More, Save More! | |
| Quantity | Price Each |
| 20–39 | $2.31 |
| 40–79 | $2.09 |
| 80+ | $1.85 |
Discounts applied in cart/checkout.
Product Data:
Material(s):
| Applications: | Pneumatic instrumentation circuits, lubricant and cooling lines. | Used With: | Aluminum & copper tubing. Hard plastic tubing requires brass sleeve. Not recommended for steel tubing. |
|---|---|---|---|
| SAE Rating: | N/A | Conformance: | N/A |
| Vibration: | Excellent Resistance. | Temperature Range: |
Depends on tubing used. -65°F to +250°F (-53°C to +121°C) with brass sleeve -40°F to +150°F (-40°C to +66°C) with plastic sleeve. (Refer to tubing temperature range.) |
| Tolerance: | +/- .02 on all dimensions. | Lead Free: | Not Lead Free |
- Up to 150 PSI from 0°F to + 150°F with thermoplastic tubing. Up to 300 PSI from 0°F to + 175°F with soft metal tubing.
- 1/8", 3/16" O.D. -- no limitation
- 1/4" O.D.--.035 5/16", 3/8",1/2" O.D.--.049
- 1) Cut tubing to desired length.
- 2) Slide nut/sleeve assembly on tube. Threaded end "A" of nut must face toward fitting.
- 3) Bottom tubing into fitting.
- 4) Plastic sleeve - Tighten nut hand tight.
Brass Sleeve - Tighten nut hand tight, then an additional 3/4 turn.
| Tube OD | 1/8" | 3/16" | 1/4" | 5/16" | 3/8" | 1/2" |
|---|---|---|---|---|---|---|
| Thread Size - B | 5/16-24 | 3/8-24 | 3/8-24 | 7/16-24 | 1/2-24 | 11/16-20 |
**Note: 1/8 and 3/16 sizes have brass sleeves**
| Crossover Series: | ||||
|---|---|---|---|---|
| MP59 | 269PF | 1229 | 59P | 259P |
![]() |
|||
|---|---|---|---|
| Part Number | Tube O.D | A | Approx. Wt. Lbs. |
| 20201 (20-201) |
1/4" | 0.50" | 0.01 |
| 20203 (20-203) |
3/8" | 0.56" | 0.01 |
Dimension data can change without notice.


