Skip to content
Login for the best B2B Wholesale Experience.
Login for the best B2B Wholesale Experience.
20229 (20-229) by Midland | Flareless Fitting | Universal Nut and Brass Sleeve Assembly | 1/4" Tube OD | 3/8-24 Thread | Brass

20229 (20-229) by Midland | Flareless Fitting | Universal Nut and Brass Sleeve Assembly | 1/4" Tube OD | 3/8-24 Thread | Brass

Save $1.07 Save $1.07
$2.68
$2.68 - $2.68
$2.68
$1.61
$1.61 - $1.61
$1.61

Midland Industries
Brass Fitting - Flareless Fitting - Universal Nut and Brass Sleeve Assembly - Brass

Flareless Brass Tube Fittings are Interchangeable with Poly-Flo®, Poly-Tite®, Poly-Line® and Poly-Fit®

Built-in SS Tube Support
Specifications for Variant SKU: 20229 Midland
Material(s): 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:
MP61B 261PFB 1261B 61PB 261UB
Part Number Tube O.D Thread A Hex Approx. Weight
(Lbs.)
20227
(20-227) 		1/8" 5/16-24 0.37" 0.37" 0.02
20228
(20-228) 		3/16" 3/8-24 0.41" 0.44" 0.02
20229
(20-229) 		1/4" 3/8-24 0.34" 0.43" 0.02
20230
(20-230) 		5/16" 7/16-24 0.34" 0.50" 0.02
20231
(20-231) 		3/8" 1/2-24 0.37" 0.56" 0.04
20232
(20-232) 		1/2" 11/16-20 0.42" 0.81" 0.04

Dimension data can change without notice.

Midland Industries

Midland Industries

Midland Industries is a family of brands recognizable industry wide. Midland is a supplier of brass fittings, valves, and accessories for hose, pipe and tube in brass, bronze, stainless steel, steel, malleable iron, and plastics.

Shop Parts by Midland Industries