The Shaft,shouldered, cataloged under National Stock Number 3040-01-500-7316, 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 10 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-500-7316 |
| Primary Part Number | 7018029-002 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Step Quantity | 7 |
| First End Diameter | 0.3060 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN |
| Second End Diameter | 0.3690 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN |
| Second End Step Length | 0.600 INCHES NOMINAL IN |
| Largest Step Diameter | 0.557 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Second End Angle Between Flats | 90.0 DEGREES NOMINAL |
| End Similarity | NOT IDENTICAL |
| Second End Style | TWO FLATS |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 7018029-002 PRIMARY | Naval Sea Systems Command (USA) |
| 7018029-002 | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 7018029 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-500-7316 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-500-7316 has 2 manufacturer part numbers on file: 7018029-002 (Naval Sea Systems Command), 7018029-002 (Raytheon Company).
Key specifications for 7018029-002: Step Quantity: 7; First End Diameter: 0.3060 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN; Second End Diameter: 0.3690 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN; Second End Step Length: 0.600 INCHES NOMINAL IN. 10 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.