The Shaft,shouldered, cataloged under National Stock Number 3040-01-546-7930, 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 1 specification, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-546-7930 |
| Primary Part Number | 7550477-264234303-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 4558718-0001D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7550477-264234303-1 PRIMARY | Naval Sea Systems Command (USA) |
| 7550477-264234303-1D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 845-4558718 ITEM 1D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2642-343-03 ITEM 1D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| G547-0001-264234303-1D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 264234303-1D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 2642-343-03 ITEM 1 | 5/1 Secondary reference U.S. Government activity |
| 845-4558718 ITEM 1 | 5/1 Secondary reference U.S. Government activity |
| 264234303-1 | 5/1 Secondary reference U.S. Government activity |
| 4558718-0001 | 5/1 Secondary reference U.S. Government activity |
| G547-0001-264234303-1 | 5/1 Secondary reference U.S. Government activity |
NSN 3040-01-546-7930 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-546-7930 has 7 manufacturer part numbers on file: 4558718-0001D4 (Naval Inventory Control Point Mechanicsburg), 7550477-264234303-1 (Naval Sea Systems Command), 7550477-264234303-1D4 (Naval Inventory Control Point Mechanicsburg), 845-4558718 ITEM 1D4 (Naval Inventory Control Point Mechanicsburg), 2642-343-03 ITEM 1D4 (Naval Inventory Control Point Mechanicsburg) and 2 more.
Key specifications for 7550477-264234303-1: Criticality Code Justification: FEAT; Special Features: QUALITY ASSURANCE TESTED AND CERTIFIED FOR DEEP SUBMERGENCE SYSTEMS. 1 specification is 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.