AB DEFENCE
HMMWV (Humvee M998) — Power Transmission Components – NSN 2520-01-478-0306 – Part No: EX4855-1
- SKU
- 2520014780306
- NSN
- 2520-01-478-0306
- Part number
- EX4855-1
AB DEFENCE
Product enquiry
HMMWV (Humvee M998) — Power Transmission Components – NSN 2520-01-478-0306 – Part No: EX4855-1
Product information
Power Transmission Components (NSN 2520-01-478-0306 (2520014780306) / Part No EX4855-1 / OEM SQM13L0-14-M-1257-X8690) for HMMWV (Humvee M998). Genuine NATO-standard military vehicle spare part supplied by AB Defence with full traceability and export compliance.
- PN
- EX4855-1
Axles & drive shafts, Hummer parts
Technical Identification & NATO Cross-Reference Matrix
Power Transmission Components (NSN 2520-01-478-0306 (2520014780306) / Part No EX4855-1 / OEM SQM13L0-14-M-1257-X8690) is a defense-grade replacement component engineered for HMMWV (Humvee M998) fleets and compatible military land platforms. Classified under Engine & Powertrain Systems (Engine & Powertrain Systems), this part meets strict dimensional, metallurgical, and environmental tolerances required for tactical field maintenance and depot-level overhaul programs.
| Technical Parameter | Specification & Reference Value |
|---|---|
| Component Nomenclature | Power Transmission Components |
| Primary Vehicle Platform | HMMWV (Humvee M998) |
| Subsystem / Functional Group | Engine & Powertrain Systems |
| NATO Stock Number (Dashed) | 2520-01-478-0306 |
| NSN (13-Digit Unformatted) | 2520014780306 |
| NIIN (National Item ID Number) | 01-478-0306 / 014780306 |
| Federal Supply Class (FSC / FSG) | FSC 2520 (FSG 25) — Engine & Powertrain Systems |
| NCB Codification Country | 01 — United States (DLA / US DoD) |
| Manufacturer / OEM Part Number | EX4855-1 (OEM: SQM13L0-14-M-1257-X8690) |
| Cross-Reference Search Codes | 2520-01-478-0306, 2520014780306, NIIN 01-478-0306, NIIN 014780306, EX4855-1, EX48551, SQM13L0-14-M-1257-X8690 |
| Manufacturer / Platform Ecosystem | AM General |
| Quality & Traceability Standard | NATO STANAG / MIL-STD Compliant — Certificate of Conformity (CoC) & Batch Traceability |
Subsystem Engineering Role & Maintenance Protocol
- Functional Application: Engineered to sustain mission-critical reliability within Engine & Powertrain Systems assemblies under extreme thermal, mechanical, and cross-country vibration loads.
- Platform Integration: Specifically cross-referenced for HMMWV (Humvee M998) maintenance schedules, ensuring direct fitment, interchangeability, and zero modification during unit replacement.
- Preventive Maintenance & Inspection: During scheduled periodic maintenance (PMCS) or subsystem overhaul, inspect mating interfaces, torque specifications, and fluid/electrical seals alongside adjacent Engine & Powertrain Systems assemblies to prevent cascading downtime.
Defense Procurement, Documentation & Global Export Supply
AB Defence supplies verified OEM and NATO-codified spare parts to Ministries of Defence, armed forces maintenance commands, and prime defense contractors worldwide. Every shipment of NSN 2520-01-478-0306 (2520014780306) / Part No EX4855-1 / OEM SQM13L0-14-M-1257-X8690 is supported by controlled documentation, serial/lot traceability, military-grade protective packaging, and full export compliance. Explore our complete HMMWV (Humvee M998) Spare Parts & Sustainment Coverage or submit a Request for Quotation (RFQ) using the form above.
