The Spider,differential, cataloged under National Stock Number 2520-00-353-2712, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2520-00-353-2712 |
| Primary Part Number | 3878B2 |
| Item Name | Spider,differential |
| FSC / FSG | 2520 / 25 — No Item Name Available |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | CANCELLED |
| Arm Diameter | 0.935 INCHES MINIMUM AND 0.936 INCHES MAXIMUM IN |
| Hub Outside Diameter | 3.528 INCHES NOMINAL IN |
| Hub Bore Diameter | 2.529 INCHES NOMINAL IN |
| Hub Thickness | 1.750 INCHES NOMINAL IN |
| Length Across Arms | 7.312 INCHES NOMINAL IN |
| Arm Length | 1.894 INCHES NOMINAL IN |
| Material | STEEL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2152119 | General Motors Llc Dba General Motors Llc (USA) |
| 7735693 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 2152119 | Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA) |
| ANK058 | Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA) |
| 3878B2 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| 4NK058 | Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA) |
| 3878B2 | Meritor Industrial Products, Llc (USA) |
| 92184 | White Motor Corp (USA) |
| 11A8292 | Napco International Llc Dba Napco International Inc (USA) |
| 3878B2 | Kaitlin Corp (USA) |
| 523D5 | Diamond Reo Truck Co (USA) |
| 16616F | Diamond Reo Truck Co (USA) |
| 36620J | Diamond Reo Truck Co (USA) |
NSN 2520-00-353-2712 is a Spider,differential, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 2520 (No Item Name Available). Status: cancelled.
NSN 2520-00-353-2712 has 13 cross-referenced part numbers: 2152119 (General Motors Llc Dba General Motors Llc), 7735693 (U S Army Tank Automotive Command Amsta-Im-Mm), 2152119 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02), ANK058 (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)), 3878B2 (Meritor Heavy Vehicle Systems, Llc) and 8 more.
There are 2 known substitutes for 2520-00-353-2712: 6240-00-987-5464, 4920-01-303-0877. Verify interchangeability with system specifications before substitution.
Key specifications for 3878B2: Arm Diameter: 0.935 INCHES MINIMUM AND 0.936 INCHES MAXIMUM IN; Hub Outside Diameter: 3.528 INCHES NOMINAL IN; Hub Bore Diameter: 2.529 INCHES NOMINAL IN; Special Features: FSC APPLICATION DATA:DIFFERENTAL REAR AXLE,VEHICULAR;LUBRICATION MODE:IN LUBRICANT. 9 total characteristics are documented in the Federal Logistics Information System.
NSN 2520-00-353-2712 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.