The Shaft,shouldered, cataloged under National Stock Number 3040-00-034-7406, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-034-7406 |
| Primary Part Number | D2150773 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | L3harris Technologies, Inc. |
| Status | ACTIVE |
| Surface Finish | 60.0 MICROINCHES |
| Step Quantity | 6 |
| First End Diameter | 2.4384 INCHES NOMINAL IN |
| Second End Diameter | 1.2490 INCHES NOMINAL IN |
| Largest Step Diameter | 2.438 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 1.0610 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Spline Major Diameter | 1.2490 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S763B,CLASS 7 FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 6 |
| Second End Style | SPLINED (STRAIGHT) |
| Material | STEEL CORROSION RESISTING |
| Second End Spline Length | 2.000 INCHES NOMINAL 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 |
|---|---|
| D2150773 | L3harris Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 66D25880 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-034-7406 is a Shaft,shouldered, manufactured by L3harris Technologies, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-034-7406 has 1 manufacturer part number on file: D2150773 (L3harris Technologies, Inc.).
Key specifications for D2150773: Surface Finish: 60.0 MICROINCHES; Step Quantity: 6; First End Diameter: 2.4384 INCHES NOMINAL IN; Second End Diameter: 1.2490 INCHES NOMINAL IN. 14 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.