The Shaft,shouldered, cataloged under National Stock Number 3040-00-792-8185, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-792-8185 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Second End External Thread Length | 0.625 INCHES NOMINAL IN |
| Step Quantity | 3 |
| Second End Diameter | 0.3420 INCHES NOMINAL IN |
| Largest Step Diameter | 1.255 INCHES NOMINAL IN |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL |
| 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 |
|---|---|
| 15999 | 5/9 Secondary reference U.S. Government activity |
| T22716 | 5/9 Secondary reference Lull Corp |
| 2S387 | 5/9 Secondary reference Carter Ralph B Co |
| 13200E8804 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-792-8185 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4720-00-974-7135, 4820-01-466-8035, 4820-01-507-2453. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-00-792-8185: Second End External Thread Length: 0.625 INCHES NOMINAL IN; Step Quantity: 3; Second End Diameter: 0.3420 INCHES NOMINAL IN; Largest Step Diameter: 1.255 INCHES NOMINAL IN. 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.
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.