The Shaft,shouldered, cataloged under National Stock Number 3040-01-436-9516, 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 13 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-436-9516 |
| Primary Part Number | 211048489 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| First End Tongue Thickness | 0.375 INCHES NOMINAL IN |
| Second End External Thread Length | 0.633 INCHES NOMINAL IN |
| Step Quantity | 5 |
| First End Diameter | 1.0000 INCHES NOMINAL IN |
| First End Tongue Width | 1.250 INCHES NOMINAL IN |
| First End Step Length | 0.870 INCHES NOMINAL IN |
| Second End Diameter | 0.4370 INCHES NOMINAL IN |
| Largest Step Diameter | 1.000 INCHES NOMINAL IN |
| First End Style | TONGUE |
| Material Document and Classification | QQ-S-763,CL 304, COND B FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL COMP 304 |
| 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 |
|---|---|
| 581-6405752-B2 | Naval Sea Systems Command (USA) |
| 211048489 PRIMARY | Naval Sea Systems Command (USA) |
| 581-6405752 FIND AHNA-B2 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6405752 | D/9 Drawing number reference only Naval Sea Systems Command |
| 6405752 | D/9 Drawing number reference only U.S. Government activity |
| 581-6405752 FIND AHNA-B2 | 5/2 Secondary reference U.S. Government activity |
| 211048489 | 3/2 Design control — primary reference U.S. Government activity |
| 581-6405752-B2 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-436-9516 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-436-9516 has 3 manufacturer part numbers on file: 581-6405752-B2 (Naval Sea Systems Command), 211048489 (Naval Sea Systems Command), 581-6405752 FIND AHNA-B2 (Naval Sea Systems Command).
Key specifications for 211048489: First End Tongue Thickness: 0.375 INCHES NOMINAL IN; Second End External Thread Length: 0.633 INCHES NOMINAL IN; Step Quantity: 5; First End Diameter: 1.0000 INCHES NOMINAL IN. 13 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.