AB DEFENCE
M109 Self-Propelled Howitzer — Shaft Assy Manual Selector – NSN 2520-00-735-4221 – Part No: 8351520
- SKU
- AB-2903
- NSN
- 2520-00-735-4221
- Part number
- 8351520
AB DEFENCE
Product enquiry
M109 Self-Propelled Howitzer — Shaft Assy Manual Selector – NSN 2520-00-735-4221 – Part No: 8351520
Product information
Shaft Assy Manual Selector (NSN 2520-00-735-4221 (2520007354221) / Part No 8351520) for M109 Self-Propelled Howitzer. Genuine NATO-standard military vehicle spare part supplied by AB Defence with full traceability and export compliance.
Technical Identification & NATO Cross-Reference Matrix
Shaft Assy Manual Selector (NSN 2520-00-735-4221 (2520007354221) / Part No 8351520) is a defense-grade replacement component engineered for M109 Self-Propelled Howitzer 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 | Shaft Assy Manual Selector |
| Primary Vehicle Platform | M109 Self-Propelled Howitzer |
| Subsystem / Functional Group | Engine & Powertrain Systems |
| NATO Stock Number (Dashed) | 2520-00-735-4221 |
| NSN (13-Digit Unformatted) | 2520007354221 |
| NIIN (National Item ID Number) | 00-735-4221 / 007354221 |
| Federal Supply Class (FSC / FSG) | FSC 2520 (FSG 25) — Engine & Powertrain Systems |
| NCB Codification Country | 00 — United States (DLA / US DoD) |
| Manufacturer / OEM Part Number | 8351520 |
| Cross-Reference Search Codes | 2520-00-735-4221, 2520007354221, NIIN 00-735-4221, NIIN 007354221, 8351520 |
| Manufacturer / Platform Ecosystem | BAE Systems / FMC |
| 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 M109 Self-Propelled Howitzer 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 2520-00-735-4221 (2520007354221) / Part No 8351520 is supported by controlled documentation, serial/lot traceability, military-grade protective packaging, and full export compliance. Explore our complete M109 Self-Propelled Howitzer Spare Parts & Sustainment Coverage or submit a Request for Quotation (RFQ) using the form above.
