The Shaft,shouldered, cataloged under National Stock Number 3040-01-236-6652, 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14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-236-6652 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Second End External Thread Length | 0.531 INCHES NOMINAL IN |
| Step Quantity | 10 |
| First End Diameter | 0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Second End Diameter | 0.4375 INCHES NOMINAL IN |
| Largest Step Diameter | 0.996 INCHES MINIMUM AND 0.999 INCHES MAXIMUM IN |
| First End Style | FLAT KEYWAY |
| Material Document and Classification | COMMERCIAL ASSN STD SINGLE MATERIAL RESPONSE |
| First End Keyway Depth | 0.062 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL |
| External Keyway Length | 1.375 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.1250 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 |
|---|---|
| M-3340 PIECE 13 | 5/9 Secondary reference Peerless-Winsmith, Inc. Dba Peerless Winsmith |
| 604-9-0610-1 | 3/9 Design control — primary reference Peerless-Winsmith, Inc. Dba Peerless Winsmith |
NSN 3040-01-236-6652 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-236-6652: Surface Finish: 32.0 MICROINCHES; Second End External Thread Length: 0.531 INCHES NOMINAL IN; Step Quantity: 10; First End Diameter: 0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM 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.