Hydraulic Fitting, 1/4"X3/8" Male Flat Face O-Ring

The 4G-6MFFOR hydraulic fitting is a crimp-style male flat face O-ring hose end designed for a clean, dependable seal in hydraulic systems where leak control matters. Built for MegaCrimp® applications, it’s engineered to crimp consistently across different hose constructions—because hydraulic oil belongs in the system, not decorating your shop floor.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 4G-6MFFOR
• Product Type: Hydraulic hose fitting — Male Flat Face O-Ring
• Hose ID: 1/4"
• Fitting Nominal Size: 3/8"
• Thread Size: 11/16"-16
• Thread Pitch: 16
• Overall Length: 2.13"
• Cutoff Length: 1.10"
• Stem Hex Size: 19 mm
• System Note: Designed for MegaCrimp® coupling systems for consistent, leak-resistant crimp sealing

Ideal For

• Hydraulic hose assemblies needing a male flat face O-ring connection
• Equipment where minimizing leaks and easy mating with flat-face ports is important
• Shops using MegaCrimp® systems to simplify hose-end inventory across hose types
• Repairs and builds where you want a proper seal—not “snug plus a prayer”