The Shaft,shouldered, cataloged under National Stock Number 3040-01-237-6291, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-237-6291 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Step Quantity | 3 |
| First End Diameter | 0.6850 INCHES NOMINAL IN |
| Largest Step Diameter | 0.8725 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | QQ-N-281,CLASS CD FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | IDENTICAL |
| Material | NICKEL ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SSN637-709-2439604 PIECE 1 | 5/2 Secondary reference U.S. Government activity |
| 77832-60X13 | D/9 Drawing number reference only U.S. Government activity |
| SSN637-709-2439604 | D/9 Drawing number reference only U.S. Government activity |
| 77832-60X13 PIECE 1 | 3/2 Design control — primary reference U.S. Government activity |
| 77832-60X13 PIE | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 3040-01-237-6291 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-237-6291: Surface Finish: 32.0 MICROINCHES; Step Quantity: 3; First End Diameter: 0.6850 INCHES NOMINAL IN; Largest Step Diameter: 0.8725 INCHES NOMINAL IN. 8 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 3040-01-237-6291 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.