The Shaft,shouldered, cataloged under National Stock Number 3040-01-144-9654, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-144-9654 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES |
| Second End External Thread Length | 1.000 INCHES NOMINAL IN |
| Step Quantity | 1 |
| First End Diameter | 0.7500 INCHES NOMINAL IN |
| Second End Diameter | 0.7500 INCHES NOMINAL IN |
| Largest Step Diameter | 0.871 INCHES MINIMUM AND 0.873 INCHES MAXIMUM IN |
| First End Slot Width | 0.090 INCHES NOMINAL IN |
| First End Style | SLOTTED |
| Material Document and Classification | QQ-N-281 CL A FORM 1 FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| First End Slot Depth | 0.180 INCHES NOMINAL IN |
| Second End Style | EXTERNAL THREADED |
| Material | NICKEL ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 522-4674892 ITEM 4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-144-9654 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-144-9654: Surface Finish: 16.0 MICROINCHES; Second End External Thread Length: 1.000 INCHES NOMINAL IN; Step Quantity: 1; First End Diameter: 0.7500 INCHES NOMINAL IN. 13 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.
NSN 3040-01-144-9654 has DEMIL Code Q. 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.