Overview
The Parker 6MSEL6N-316 is a precision engineered A-Lok® double ferrule compression tube fitting featuring a 90° male elbow configuration. 316 stainless steel construction provides superior corrosion resistance for demanding instrumentation, process control, and analyzer applications. This fitting delivers reliable, leak-free connections across a broad range of fluid media—gases, liquids, fuels, oils, compressed natural gas, hydrogen, and steam.
Key Features
- Double ferrule design — two-piece compression system ensures repeatable, dependable seal without galling
- 316 stainless steel — corrosion and gall-resistant for process and offshore environments
- High pressure rating — 6,600 psi maximum operating pressure for critical applications
- Wide temperature range — operates from −255°C to +649°C, suitable for cryogenic and steam service
- A-Lok® Supercase — Parker’s precision-engineered construction meets highest quality standards
Technical Specifications
- Part Number: 6MSEL6N-316
- Tube OD (Side A): 3/8 inch
- Pipe Thread (Side B): 3/8 inch MNPT (Male NPT)
- Configuration: 90° Male Elbow Adapter
- Material: 316 Stainless Steel (heat-code traceable)
- Connection Type A: Double Ferrule Compression
- Connection Type B: Male NPT (MNPT)
- Maximum Operating Pressure: 6,600 psi
- Operating Temperature Range: −255°C to +649°C (−427°F to +1,200°F)
- Overall Length: 1-7/32 inch
- Hex Size (Wrench): 11/16 inch
- Applicable Standards: ASME SA-213, ASTM A213, ASTM A249, ASTM A269, MIL-T-8504, MIL-T-8506
Typical Applications
- Instrumentation and analytical installations
- Compressed natural gas (CNG) and LNG lines
- Hydrogen service and fuel cell systems
- Offshore control panels and subsea installations
- Process sensing lines and detector connections
- Chemical and petro-chemical processing
- Power generation and nuclear facilities
- Semiconductor and microelectronics manufacturing
Compatibility & Replacements
Compatible With
- Parker A-Lok® instrumentation tubing systems (3/8″ OD)
- NPT pipe threads (male and female adapters)
- Double ferrule compression tube fitting standards
- Process control and instrumentation networks requiring corrosion-resistant materials
- Cryogenic, hydrogen, and high-pressure gas service equipment
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The Parker 6MSEL6N-316 is a specific SKU within the A-Lok product family; similar models include 6MSEL8N-316 (1/2″ tube OD) and other MSEL configurations in 316 stainless steel.
Works With
- Parker A-Lok® tube fittings (any size or configuration in the same series)
- Industrial tubing materials: 316L stainless steel, carbon steel, duplex stainless
- ISO 1216 / ASME B16.11 NPT male and female adapters
- Manual and automated test and measurement instrumentation
- High-pressure gas and cryogenic fluid transfer systems
