20304 by Midland | Flareless Fitting | Poly-Flo® | 3/8 ” Tube OD x 1/4 ” Female NPTF | 90° Elbow | Brass

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

Working Pressure and Temperature Ranges:

• 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.

Maximum allowable metal tube wall thickness for use with Poly-Tite® fittings::

• 1/8″, 3/16″ O.D. — no limitation
• 1/4″ O.D.–.035 5/16″, 3/8″,1/2″ O.D.–.049

Assembly Instructions:

• 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:
MP70	270PF	1270	170P

Part Number	Tube O.D x Female NPTF	A	B	Body Size	Approx. Weight (Lbs.)
20300 (20-300)	1/8″ x 1/8″	0.69″	0.55″	0.56″	0.02
20301 (20-301)	3/16″ x 1/8″	0.72″	0.55″	0.56″	0.02
20302 (20-302)	1/4″ x 1/8″	0.62″	0.75″	0.32″	0.08
20303 (20-303)	1/4″ x 1/4″	0.72″	0.88″	0.50″	0.10
20304 (20-304)	3/8″ x 1/4″	0.72″	0.88″	0.50″	0.10
20305 (20-305)	1/2″ x 3/8″	0.91″	0.94″	0.63″	0.16

* Barstock

Dimension data can change without notice.