MH Oxygen Transfiller Accessory, Grip Knob Tube Wrench - 00GSE-1098-01

The MH Oxygen 00GSE-1098-01 grip knob tube wrench is specifically designed to simplify the tightening and loosening of AN-800 tube nuts on oxygen transfiller adapters. It allows technicians to secure or disconnect fittings without using traditional hand tools, reducing the risk of over-torquing or damaging the fittings. Its ergonomic grip and secure locking mechanism enhance ease of use and operator control during oxygen servicing procedures.

The retaining ring on the MH Oxygen 00GSE-1098-01 is a key component that allows the wrench to attach securely to 3/16" tubing. By rotating the ring to the open position, the wrench slips easily over the tube. Once positioned, turning the ring back to the locked position secures the wrench in place, enabling precise engagement with the 7/16" nut. This tool-less retention design boosts both safety and convenience during use.

The wrench is specifically optimized for use with 3" or longer GSE adapters that feature AN-800 fittings. Its dimensions and clamping mechanism are tailored for this configuration, ensuring a snug and secure fit. For shorter or non-standard fittings, consult Mountain High or the product documentation to ensure compatibility.

The wrench body is made from 6061-T6 aluminum (UNS A96061), a lightweight yet strong material commonly used in aviation applications. The retaining ring is constructed from carbon spring steel (SAE 1060–1090), which adds flexibility and holding strength. These materials provide a combination of durability, corrosion resistance, and reliability in oxygen service environments.

The Grip Knob Tube Wrench weighs approximately 1.8 oz (50 grams). Its lightweight design makes it easy to carry as part of a mobile ground support equipment (GSE) kit without adding unnecessary bulk. Despite its small size, it provides solid torque control and precise handling during use.

Yes! The MH Oxygen 00GSE-1098-01 is engineered for manual use and does not require additional tools to operate. Its grip knob allows for secure, hand-tightened engagement with AN-800 nuts. This makes it ideal for quick-connect/disconnect procedures in field or hangar environments where tool availability may be limited.

To preserve its condition, the tube wrench should be kept in a clean, dry place away from moisture and corrosive chemicals. If used frequently, store it in a protective case alongside other GSE oxygen accessories. Periodically inspecting the retaining ring for wear or spring tension loss will ensure continued functionality.

Yes! The wrench is designed to support secure connections in aviation oxygen systems, which often operate at high pressures. While it doesn't make the pressure seal itself, it enables reliable engagement with fittings that do. Always ensure fittings are properly torqued according to specifications and follow oxygen system safety protocols.

The ergonomic grip and secure locking feature reduce the chance of slippage or over-tightening, both of which can lead to damage or injury. Its tool-free design eliminates the need for metal wrenches, which can spark or scratch fittings in sensitive oxygen environments. The quick-action design also minimizes handling time and operator fatigue during maintenance.

Absolutely! The aluminum and carbon steel construction provides reliable operation even in colder environments. However, technicians should wear appropriate gloves and ensure the retaining ring remains functional, as materials can become stiff in low temperatures. Routine inspection and maintenance will help ensure the wrench functions properly regardless of the climate.

This wrench is designed to work with a 7/16" AN-800 nut and 3/16" oxygen tubing. It fits precisely around the tubing and nut, ensuring a secure hold during connection or removal. This compatibility makes it ideal for servicing aviation oxygen equipment and transfiller assemblies.

To use the MH Oxygen tube wrench, rotate the retaining ring to the open position and slip the wrench over the tubing. Align it with the nut, then rotate the ring back to secure it in place. You can then tighten or loosen the nut as needed. Once complete, reverse the process to remove the wrench from the tubing.