The Shaft,axle,automotive, cataloged under National Stock Number 2520-00-021-2373, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2520-00-021-2373 |
| Primary Part Number | 10948085 |
| 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 |
| First End Bearing Seat Diameter | 2.438 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 8 UNTHREADED HOLE(S) |
| Second End Type | SPLINED |
| First End Type | FLANGED |
| First End Bearing Seat Width | 0.3125 INCHES NOMINAL IN |
| Second End Spline Quantity | 19 |
| Second End Spline Minor Diameter | 1.650 INCHES NOMINAL IN |
| Second End Bearing Seat | NOT INCLUDED |
| Flange Thickness at Mounting Hole | 0.500 INCHES NOMINAL IN |
| Second End Spline Major Diameter | 1.772 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-633, FS1046-CANCELED FED SPEC SINGLE MATERIAL RESPONSE |
| First End Distance From Bearing Seat to End | 0.250 INCHES NOMINAL IN |
| Flange Overall Thickness | 1.000 INCHES NOMINAL IN |
| Second End Spline Type | STRAIGHT |
| Material | STEEL COMP 1046 |
| Flange Outside Diameter | 6.447 INCHES NOMINAL IN |
| First End Bearing Seat | INCLUDED |
| Metallic Hardness Rating | 250.0 MINIMUM BRINELL STANDARD AND 350.0 MAXIMUM BRINELL STANDARD |
| Hole Diameter | 0.504 INCHES NOMINAL IN |
| Second End Spline Length | 1.375 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 |
|---|---|
| 10948085 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3202A5279X | 5/9 Secondary reference U.S. Government activity |
NSN 2520-00-021-2373 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 2520-00-021-2373 has 1 manufacturer part number on file: 10948085 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10948085: First End Bearing Seat Diameter: 2.438 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S); Second End Type: SPLINED; First End Type: FLANGED. 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.