The Shaft,shouldered, cataloged under National Stock Number 3040-00-459-6902, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is L3harris Technologies, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-459-6902 |
| Primary Part Number | 58125-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | L3harris Technologies, Inc. |
| Status | ACTIVE |
| Step Quantity | 3 |
| First End Diameter | 0.9960 INCHES MINIMUM AND 0.9970 INCHES MAXIMUM IN |
| Second End Diameter | 0.9960 INCHES MINIMUM AND 0.9970 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.375 INCHES NOMINAL IN |
| Second End Distance From Keyway Center to End | 0.938 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Keyway Width | 0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN |
| Second End Keyway Depth | 0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | INDENTED FLAT KEYWAY |
| Material | STEEL |
| External Keyway Length | 1.505 INCHES MINIMUM AND 1.515 INCHES MAXIMUM SECOND END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 58125-1 PRIMARY | L3harris Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 58125-1 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-00-459-6902 is a Shaft,shouldered, manufactured by L3harris Technologies, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-459-6902 has 1 manufacturer part number on file: 58125-1 (L3harris Technologies, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 2915-00-907-1997, 5961-01-080-6468, 2920-01-360-9238. Verify interchangeability with system specifications before substitution.
Key specifications for 58125-1: Step Quantity: 3; First End Diameter: 0.9960 INCHES MINIMUM AND 0.9970 INCHES MAXIMUM IN; Second End Diameter: 0.9960 INCHES MINIMUM AND 0.9970 INCHES MAXIMUM IN; Largest Step Diameter: 1.375 INCHES NOMINAL IN. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.