The Shaft,shouldered, cataloged under National Stock Number 3040-00-712-0709, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-712-0709 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| FSC Application Data | TRANSMITTER ASSY,ACFT |
| Step Quantity | 3 |
| First End Diameter | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.497 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Second End Spline Minor Diameter | 0.3055 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Second End Spline Major Diameter | 0.3720 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | SPLINED (STRAIGHT) |
| Material | STEEL |
| Second End Spline Length | 0.700 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 90-3500 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-712-0709 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-712-0709: Surface Finish: 125.0 MICROINCHES; FSC Application Data: TRANSMITTER ASSY,ACFT; Step Quantity: 3; First End Diameter: 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN. 12 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 3040-00-712-0709 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.