The Shaft,axle,automotive, cataloged under National Stock Number 2520-00-554-7856, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-554-7856 |
| Primary Part Number | 1648G |
| Item Name | Shaft,axle,automotive |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Second End Type | SPLINED |
| First End Type | SPLINED |
| First End Spline Major Diameter | 2.952 INCHES MINIMUM AND 2.960 INCHES MAXIMUM IN |
| Second End Spline Quantity | 10 |
| Second End Spline Minor Diameter | 2.595 INCHES MINIMUM AND 2.600 INCHES MAXIMUM IN |
| Second End Bearing Seat | NOT INCLUDED |
| Second End Facility Width | 2.250 INCHES NOMINAL IN |
| Second End Facility Location | 6-1/4 IN. FROM SHAFT END IN |
| Second End Spline Major Diameter | 2.952 INCHES MINIMUM AND 2.960 INCHES MAXIMUM IN |
| Second End Engaging/locking/positioning Facility | SHOULDER |
| First End Spline Quantity | 10 |
| Material Document and Classification | AISI 4340 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 4340 ASSN STD SINGLE MATERIAL RESPONSE |
| First End Spline Length | 3.438 INCHES NOMINAL IN |
| First End Spline Type | STRAIGHT |
| Second End Spline Type | STRAIGHT |
| First End Spline Minor Diameter | 2.595 INCHES MINIMUM AND 2.600 INCHES MAXIMUM IN |
| Second End Facility Diameter | 2.998 INCHES MINIMUM AND 3.002 INCHES MAXIMUM IN |
| Material | STEEL COMP 4340 |
| First End Bearing Seat | NOT INCLUDED |
| Second End Spline Length | 3.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1648G PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 1648G | 5/9 Secondary reference Oshkosh Corp |
NSN 2520-00-554-7856 is a Shaft,axle,automotive, manufactured by Oshkosh Defense Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-554-7856 has 1 manufacturer part number on file: 1648G (Oshkosh Defense Llc).
Key specifications for 1648G: Second End Type: SPLINED; First End Type: SPLINED; First End Spline Major Diameter: 2.952 INCHES MINIMUM AND 2.960 INCHES MAXIMUM IN; Second End Spline Quantity: 10. 20 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.