AB DEFENCE
M113 Series APC (M113A1 / M113A2 / M113A3) — Idler Arm, Steering, Vehicular (a2) Nsn: 2… – NSN 2530-01-420-3839
- SKU
- AB-4508
- NSN
- 2530-01-420-3839
- PN
- 12460467 | 633012 | 60…
AB DEFENCE
Product enquiry
M113 Series APC (M113A1 / M113A2 / M113A3) — Idler Arm, Steering, Vehicular (a2) Nsn: 2… – NSN 2530-01-420-3839
Product information
Idler Arm, Steering, Vehicular (a2) Nsn: 2… (NSN 2530-01-420-3839 (2530014203839)) for M113 Series APC (M113A1 / M113A2 / M113A3). Genuine NATO-standard military vehicle spare part supplied by AB Defence with full traceability and export compliance.
Technical Identification & NATO Cross-Reference Matrix
Idler Arm, Steering, Vehicular (a2) Nsn: 2… (NSN 2530-01-420-3839 (2530014203839)) is a defense-grade replacement component engineered for M113 Series APC (M113A1 / M113A2 / M113A3) fleets and compatible military land platforms. Classified under Brake & Suspension Systems (Brake & Suspension 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 | Idler Arm, Steering, Vehicular (a2) Nsn: 2… |
| Primary Vehicle Platform | M113 Series APC (M113A1 / M113A2 / M113A3) |
| Subsystem / Functional Group | Brake & Suspension Systems |
| NATO Stock Number (Dashed) | 2530-01-420-3839 |
| NSN (13-Digit Unformatted) | 2530014203839 |
| NIIN (National Item ID Number) | 01-420-3839 / 014203839 |
| Federal Supply Class (FSC / FSG) | FSC 2530 (FSG 25) — Brake & Suspension Systems |
| NCB Codification Country | 01 — United States (DLA / US DoD) |
| Cross-Reference Search Codes | 2530-01-420-3839, 2530014203839, NIIN 01-420-3839, NIIN 014203839 |
| 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 Brake & Suspension Systems assemblies under extreme thermal, mechanical, and cross-country vibration loads.
- Platform Integration: Specifically cross-referenced for M113 Series APC (M113A1 / M113A2 / M113A3) 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 Brake & Suspension 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 2530-01-420-3839 (2530014203839) is supported by controlled documentation, serial/lot traceability, military-grade protective packaging, and full export compliance. Explore our complete M113 Series APC (M113A1 / M113A2 / M113A3) Spare Parts & Sustainment Coverage or submit a Request for Quotation (RFQ) using the form above.

