Parker's Poly-Tite fittings offer an acetal copolymer sleeve that has superior resilience to resist creeping and stress caused from compression.
Compression Fittings - LSR Distribuidor
Fittings, Compact Brass P at best price in Mumbai by Innovative Technologies
Parker 61PSGN-4 Compression Fitting for Thermoplastic and Soft Metal Tubing, Poly-Tite, Tube, Brass, Tube Spring Guard Nut, 1/4: : Industrial & Scientific
Proline Series 3/8-in x 1/4-in Compression Reducing Union Fitting in the Brass Fittings department at
N.C.P.S. Industrial Brass Compression Fittings
Nut - Compression Fittings, Compress-Align, Brass, 61CA Series, Parker Hannifin
Compression Fittings - Metric Brass Compression Fittings - Page 29
LTWFITTING 1/4 in. O.D. Brass Compression Coupling Fitting (10-Pack) HF62410 - The Home Depot
Compression Fittings - LSR Distribuidor
1/4-in x 1/4-in Compression Coupling Union Fitting
Proline Series 1/4-in x 1/4-in Compression Coupling Union Fitting
Parker Hannifin 61PB-4-pk10 Poly-Tite Nut and Sleeve Assembly Fitting, Brass, 1/4 Tube Size, 3/8-24 Straight Thread (Pack of 10): : Industrial & Scientific
60P-5 - Brass Compression Fittings for Thermoplastic and Soft Metal Tubing - Poly-Tite.