The Shaft,axle,automotive, cataloged under National Stock Number 2520-00-752-1326, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 21 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-752-1326 |
| Primary Part Number | 7521326 |
| Item Name | Shaft,axle,automotive |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 8 TAPERED HOLE AND 2 THREADED HOLE(S) |
| Second End Type | SPLINED |
| First End Type | FLANGED |
| Flange Hole Taper | 7.000 INCHES NOMINAL PER FOOT IN |
| Second End Spline Quantity | 16 |
| Second End Bearing Seat | NOT INCLUDED |
| Flange Thickness at Mounting Hole | 0.438 INCHES NOMINAL IN |
| Second End Spline Pressure Angle in Deg | 14.500 |
| Material Document and Classification | MIL-S-13048, FS8660-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE |
| Taper Major Diameter | 0.720 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Flange Overall Thickness | 1.313 INCHES NOMINAL IN |
| Thread Size | 7/16-14 |
| Screw Thread Series Designator | UNF |
| Second End Spline Type | INVOLUTE |
| Material | STEEL COMP 8660 |
| Flange Outside Diameter | 6.390 INCHES MINIMUM AND 6.395 INCHES MAXIMUM IN |
| First End Bearing Seat | NOT INCLUDED |
| Metallic Hardness Rating | 49.0 MINIMUM ROCKWELL C AND 55.0 MAXIMUM ROCKWELL C |
| Second End Pitch Diameter | 1.643 INCHES NOMINAL IN |
| Second End Spline Length | 2.625 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7521326 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2520-00-752-1326 is a Shaft,axle,automotive, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-752-1326 has 1 manufacturer part number on file: 7521326 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7521326: Mounting Facility Type and Quantity: 8 TAPERED HOLE AND 2 THREADED HOLE(S); Second End Type: SPLINED; First End Type: FLANGED; Flange Hole Taper: 7.000 INCHES NOMINAL PER FOOT IN. 21 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.
NSN 2520-00-752-1326 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.