The Shaft,shouldered, cataloged under National Stock Number 3040-00-422-5622, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 20 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-422-5622 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 2 |
| First End Diameter | 0.5900 INCHES NOMINAL IN |
| Second End Diameter | 0.5900 INCHES NOMINAL IN |
| Second End Step Length | 0.250 INCHES NOMINAL IN |
| Largest Step Diameter | 0.750 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED |
| Second End Tongue Width | 0.590 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Tongue Thickness | 0.500 INCHES NOMINAL IN |
| First End Distance From End to Groove | 2.000 INCHES NOMINAL IN |
| First End Groove Diameter | 0.6880 INCHES NOMINAL IN |
| Second End Style | TONGUE |
| Material | STEEL |
| First End Groove Width | 1.4380 INCHES NOMINAL IN |
| 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 |
|---|---|
| 3N92PC637 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N67PC637 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N73PC637 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N91PC637 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N77PC637 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N20-2PC637 | 5/9 Secondary reference Alfa Laval Inc. |
| NN84PC637 | 5/9 Secondary reference Alfa Laval Inc. |
| 637-10 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N112PC637 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N80PC637 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N111PC637 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N74PC637 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N40PC637 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N68PC637 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N94PC637 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N21-2PC637 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N96PC637 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N82ALT1PC637 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N83ALT1PC637 | 5/9 Secondary reference Alfa Laval Inc. |
| AC3263-1 | 3/9 Design control — primary reference Alfa Laval Inc. |
NSN 3040-00-422-5622 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 1650-00-688-7757, 4810-01-421-5537. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-00-422-5622: Step Quantity: 2; First End Diameter: 0.5900 INCHES NOMINAL IN; Second End Diameter: 0.5900 INCHES NOMINAL IN; Second End Step Length: 0.250 INCHES NOMINAL IN. 14 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.