The Shaft,shouldered, cataloged under National Stock Number 3040-01-297-0281, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-297-0281 |
| Primary Part Number | 52115219917-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Step Quantity | 2 |
| First End Diameter | 0.4990 INCHES NOMINAL IN |
| Second End Diameter | 0.7300 INCHES NOMINAL IN |
| Largest Step Diameter | 0.7300 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | AMS5643 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.4780 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.1250 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.0890 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED |
| Material | STEEL COMP 17-4PH |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 52115219917-1 PRIMARY | Naval Sea Systems Command (USA) |
| 5219917-2 | Naval Sea Systems Command (USA) |
| 5219917-1 PRIMARY | Naval Sea Systems Command (USA) |
| 5219917-1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 5219917 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-297-0281 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-297-0281 has 4 manufacturer part numbers on file: 52115219917-1 (Naval Sea Systems Command), 5219917-2 (Naval Sea Systems Command), 5219917-1 (Naval Sea Systems Command), 5219917-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 52115219917-1: Step Quantity: 2; First End Diameter: 0.4990 INCHES NOMINAL IN; Second End Diameter: 0.7300 INCHES NOMINAL IN; Largest Step Diameter: 0.7300 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.
NSN 3040-01-297-0281 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.