Industrial MS39021-2 Speedometer For Military Vehicles

Description:

The Humvee M998 / M35 / M939 Speedometer MS39021-2 Black is used in military vehicle instrumentation systems to provide accurate vehicle speed and distance measurement for operators and maintenance personnel. Commonly installed in AM General Humvees, M35 2.5-ton trucks, M939 5-ton trucks, and numerous U.S. military tactical vehicles requiring a rugged mechanical speed indication system. Maintenance teams and military vehicle restorers use this speedometer for dashboard repairs, vehicle restorations, and replacement of failed speed indicators. The black-face version is designed to match military instrument clusters while maintaining full compatibility with standard military drive systems.

Applications:

The Humvee M998 M35 M939 speedometer MS39021-2 is commonly used in tactical vehicles, cargo trucks, armored vehicles, military support equipment, and restoration projects where accurate vehicle speed and odometer readings are required. The mechanical cable-driven design provides reliable operation without requiring electronic speed sensors and is widely used across numerous military vehicle platforms. The Humvee M998 M35 M939 speedometer is compatible with standard military speedometer drive cables and transmission drive systems.

Technical Specifications:

• Manufacturer part number (MPN): MS39021-2
• NSN: 6680-00-933-3599
• Product type: Mechanical speedometer
• Gauge face color: Black
• Speed range: 0 to 60 MPH
• Speedometer type: Mechanical cable-driven
• Includes odometer: Yes
• Odometer range: 0.0 to 99,999.9 miles
• Trip odometer: Not included
• Major graduations: 0, 10, 20, 30, 40, 50, 60 MPH
• Indicator type: Needle pointer
• Drive cable thread: 5/8-18 UNF
• Shaft opening design: Square drive
• Shaft opening size: 0.105 to 0.108 in square
• Bezel diameter: 3.735 to 3.797 in
• Case diameter: 3.375 in nominal
• Maximum case depth: 2.312 in
• Mounting method: Clamp mount
• Illumination method: External lighting
• Window material: Glass
• Environmental protection: Waterproof construction
• Compatible vehicles: M998 Humvee, M35, M939, M151, and other M-Series vehicles
• Military specification: MIL-DTL-10215K
• Alternate part numbers: M10215-1A, 808913, 8376375, 503C, 1582373, 1581256, 640131
• Service application: Repair, restoration, and replacement component.

Common Replacements:

• Stewart-Warner 503C Military Speedometer
• World American M-MS39021-2 Speedometer
• Perkins 640131 Speedometer Assembly