USGI M998 Humvee Fuel Cap W Chain 12338558-1 5593170 5342-01-246-1120 123385581

Description:

The USGI 12338558-1 Fuel Cap with Chain is used in the fuel system of M998 Humvee vehicles to provide a secure seal for the fuel filler opening while preventing cap loss during refueling operations. Commonly installed in military utility vehicles undergoing fuel system maintenance, restoration projects, and routine service procedures involving fuel tank components and filler assemblies. Maintenance teams and system integrators use this part for replacement of worn or missing fuel caps, retrofit of existing fuel filler assemblies, and restoration of proper fuel system functionality on tactical vehicle fleets.

Applications:

The USGI 12338558-1 Fuel Cap with Chain is designed for use on M998 Humvee platforms requiring a sealed fuel filler closure with an integrated retention chain. It is commonly utilized during depot maintenance, fleet refurbishment programs, and fuel system repairs involving HMMWV vehicles.

Technical Specifications:

• Manufacturer Part Number (MPN): 12338558-1
• National Stock Number (NSN): 5342-01-246-1120
• Alternate Part Number: 5593170
• Product Type: Fuel Cap with Chain
• Brand: USGI
• Compatible Equipment: M998 Humvee / HMMWV vehicles
• System Application: Fuel tank filler assembly
• Function: Seals the fuel filler opening and retains the cap during refueling operations
• Design Feature: Integrated retaining chain
• Vehicle Compatibility: Fits HMMWV models including M998 variants
• Service Use: Fuel system repair and replacement
• Construction: OEM military specification fuel cap assembly
• Application Environment: Military field operations and maintenance facilities

Common Replacements:

• USGI 12338558-2 Fuel Cap with Chain
• USGI 5740211 Fuel Filler Cap
• USGI 5740212 Fuel Filler Cap