The Shaft,shouldered, cataloged under National Stock Number 3040-01-296-7961, 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 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-296-7961 |
| Primary Part Number | 5219988-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| Second End Flat Length | 0.1250 INCHES NOMINAL IN |
| Step Quantity | 5 |
| First End Diameter | 0.6200 INCHES NOMINAL IN |
| Second End Diameter | 1.2500 INCHES NOMINAL IN |
| Largest Step Diameter | 1.250 INCHES NOMINAL IN |
| First End External Thread Length | 1.0950 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| Material Document and Classification | AMS5643,TYPE 630 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.9690 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0625 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.1250 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED AND FLATTED |
| Material | STEEL COMP 17-4PH |
| Second End Flat Depth | 0.0625 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 |
|---|---|
| 5219988-1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5219988 | D/9 Drawing number reference only Naval Sea Systems Command |
| 5219988-2 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 3040-01-296-7961 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-296-7961 has 1 manufacturer part number on file: 5219988-1 (Naval Sea Systems Command).
Key specifications for 5219988-1: Surface Finish: 125.0 MICROINCHES; Second End Flat Length: 0.1250 INCHES NOMINAL IN; Step Quantity: 5; First End Diameter: 0.6200 INCHES NOMINAL IN. 16 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.