The Shaft,axle,automotive, cataloged under National Stock Number 2520-00-554-7857, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-554-7857 |
| Primary Part Number | 1647G |
| Item Name | Shaft,axle,automotive |
| FSC / FSG | 2520 / 25 — No Item Name Available |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| First End Spline Minor Diameter | 2.595 INCHES MINIMUM AND 2.600 INCHES MAXIMUM IN |
| First End Bearing Seat | NOT INCLUDED |
| Second End Spline Length | 3.250 INCHES NOMINAL IN |
| First End Type | SPLINED |
| First End Spline Quantity | 10 |
| Second End Spline Quantity | 10 |
| First End Spline Major Diameter | 2.952 INCHES MINIMUM AND 2.960 INCHES MAXIMUM IN |
| Second End Facility Location | LOCATED 6-1/4 IN. FROM SHAFT END IN |
| Second End Facility Width | 2.250 INCHES NOMINAL IN |
| Second End Spline Type | STRAIGHT |
| Second End Spline Minor Diameter | 2.595 INCHES MINIMUM AND 2.600 INCHES MAXIMUM IN |
| Second End Type | SPLINED |
| Second End Facility Diameter | 2.998 INCHES MINIMUM AND 3.002 INCHES MAXIMUM IN |
| Second End Bearing Seat | NOT INCLUDED |
| 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 Type | STRAIGHT |
| First End Spline Length | 3.4375 INCHES NOMINAL IN |
| Material | STEEL COMP 4340 |
| Material Document and Classification | AISI 4340 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 4340 ASSN STD SINGLE MATERIAL RESPONSE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2520-00-554-7857 is a Shaft,axle,automotive, manufactured by Oshkosh Defense Llc, classified under FSC 2520 (No Item Name Available). Status: active.
NSN 2520-00-554-7857 has 2 cross-referenced part numbers: 1647G (Oshkosh Corp), 1647G (Oshkosh Defense Llc).
There is 1 known substitute for 2520-00-554-7857: 6515-01-612-6256. Verify interchangeability with system specifications before substitution.
Key specifications for 1647G: First End Spline Minor Diameter: 2.595 INCHES MINIMUM AND 2.600 INCHES MAXIMUM IN; First End Bearing Seat: NOT INCLUDED; Second End Spline Length: 3.250 INCHES NOMINAL IN; First End Type: SPLINED. 21 total characteristics are documented in the Federal Logistics Information System.