The Shaft,shouldered, cataloged under National Stock Number 3040-01-459-1122, 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 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-459-1122 |
| Primary Part Number | 342-6726633 FIND 13 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Step Quantity | 4 |
| Second End Diameter | 0.7450 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.000 INCHES NOMINAL IN |
| First End Style | TAPERED WITH FLAT |
| End Similarity | NOT IDENTICAL |
| Second End Style | PLAIN |
| 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 |
|---|---|
| 342-6726633 FIND 13 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| M83796/1E690A00 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 3040-01-459-1122 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-459-1122 has 1 manufacturer part number on file: 342-6726633 FIND 13 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-460-1606. Verify interchangeability with system specifications before substitution.
Key specifications for 342-6726633 FIND 13: Step Quantity: 4; Second End Diameter: 0.7450 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN; Largest Step Diameter: 1.000 INCHES NOMINAL IN; First End Style: TAPERED WITH FLAT. 6 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 3040-01-459-1122 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.