The Shaft,shouldered, cataloged under National Stock Number 3040-01-125-5895, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-125-5895 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES |
| Second End External Thread Length | 3.120 INCHES NOMINAL IN |
| Step Quantity | 7 |
| First End Diameter | 1.4970 INCHES MINIMUM AND 1.4980 INCHES MAXIMUM IN |
| Second End Diameter | 2.5000 INCHES NOMINAL IN |
| Largest Step Diameter | 2.746 INCHES MINIMUM AND 2.748 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Material Document and Classification | QQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL THREADED |
| Material | NICKEL ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 708-4684961 ITEM 25 | 5/2 Secondary reference U.S. Government activity |
| 87841-0208 ITEM 25 | 3/2 Design control — primary reference U.S. Government activity |
| 87841-0208 | D/9 Drawing number reference only U.S. Government activity |
| 87841-0208 PC25 | 5/9 Secondary reference Aluf Industries Inc |
| 87841-0208 ITEM 25 | 5/9 Secondary reference Drw Mfg Co |
| 708-4684961 | D/9 Drawing number reference only U.S. Government activity |
| 87841-0208 PC25 | 5/9 Secondary reference Dynatek-Technology Inc |
NSN 3040-01-125-5895 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): 3040-01-128-4601, 3040-01-129-1876. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-125-5895: Surface Finish: 16.0 MICROINCHES; Second End External Thread Length: 3.120 INCHES NOMINAL IN; Step Quantity: 7; First End Diameter: 1.4970 INCHES MINIMUM AND 1.4980 INCHES MAXIMUM IN. 11 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 3040-01-125-5895 has DEMIL Code Q. 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.