The Shaft,shouldered, cataloged under National Stock Number 3040-01-216-7691, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-216-7691 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 3 |
| First End Style | UNTHREADED CROSS DRILLED |
| Second End Style | EXTERNAL THREADED |
| Material | COPPER ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4403722 PIECE 3 | 3/2 Design control — primary reference U.S. Government activity |
| 4403721 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 4403722 | D/9 Drawing number reference only U.S. Government activity |
| 4403721 PIECE 4 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 4403722 PIECE 3 | C/1 Advisory reference — outside the item-of-supply concept Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 3040-01-216-7691 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3040-01-508-8553. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-216-7691: Step Quantity: 3; First End Style: UNTHREADED CROSS DRILLED; Second End Style: EXTERNAL THREADED; Material: COPPER ALLOY. 4 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.