The Shaft,straight, cataloged under National Stock Number 3040-01-240-3315, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Marvin Engineering Co, Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-240-3315 |
| Primary Part Number | 7002540 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Marvin Engineering Co, Inc |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| First End Tongue Thickness | 0.1800 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN |
| First End Diameter | 0.3120 INCHES NOMINAL IN |
| First End Tongue Width | 0.1800 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN |
| First End Step Length | 0.7900 INCHES NOMINAL IN |
| Second End Diameter | 0.3120 INCHES NOMINAL IN |
| Second End Step Length | 1.3900 INCHES NOMINAL IN |
| First End Style | TONGUE ROUNDED ENDS |
| Criticality Code Justification | FEAT |
| Material Document and Classification | QQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Tongue Width | 0.1800 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Tongue Thickness | 0.1800 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN |
| Second End Style | TONGUE ROUNDED ENDS |
| Material | ALUMINUM ALLOY 7075 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 7002540 | Marvin Engineering Co, Inc (USA) |
| Reference | Meaning |
|---|---|
| 10106979 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 7002540 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-240-3315 is a Shaft,straight, manufactured by Marvin Engineering Co, Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-240-3315 has 1 manufacturer part number on file: 7002540 (Marvin Engineering Co, Inc).
Key specifications for 7002540: Surface Finish: 125.0 MICROINCHES; First End Tongue Thickness: 0.1800 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN; First End Diameter: 0.3120 INCHES NOMINAL IN; First End Tongue Width: 0.1800 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN. 15 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 3040-01-240-3315 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.