The Shaft,shouldered, cataloged under National Stock Number 3040-01-145-7656, 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11 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-145-7656 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 2 |
| First End Diameter | 0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Second End Diameter | 0.3750 INCHES NOMINAL IN |
| Second End Step Length | 1.110 INCHES NOMINAL IN |
| Largest Step Diameter | 0.375 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Angle Between Flats | 180.0 DEGREES NOMINAL |
| Material Document and Classification | QQ-S-764,COND A FED SPEC 1ST MATERIAL RESPONSE OR COMP 318 ASSN STD 2ND MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | TWO FLATS |
| Material | STEEL COMP 303SE OR STEEL COMP M6 |
| 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 |
|---|---|
| 401-6357195-7 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 401-4694985-7 | 5/2 Secondary reference U.S. Government activity |
| 401-4694985 | D/9 Drawing number reference only U.S. Government activity |
| 401-4694985-7 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 401-4694985 ITEM 42 | 3/2 Design control — primary reference U.S. Government activity |
| 401-4694985 | D/9 Drawing number reference only U.S. Government activity |
| 401-4694985 ITEM 42 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-145-7656 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-145-7656: Step Quantity: 2; First End Diameter: 0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN; Second End Diameter: 0.3750 INCHES NOMINAL IN; Second End Step Length: 1.110 INCHES NOMINAL 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 3040-01-145-7656 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.