The Shaft,straight, cataloged under National Stock Number 3040-00-763-2201, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-763-2201 |
| Primary Part Number | 7444510 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| First End Diameter | 0.3933 INCHES MINIMUM AND 0.3963 INCHES MAXIMUM IN |
| Second End Diameter | 0.3933 INCHES MINIMUM AND 0.3963 INCHES MAXIMUM IN |
| Second End Spline Minor Diameter | 0.3358 INCHES MINIMUM AND 0.3438 INCHES MAXIMUM IN |
| First End Hole Depth | 0.393 INCHES MINIMUM AND 0.396 INCHES MAXIMUM IN |
| First End Style | UNTHREADED CROSS DRILLED |
| Second End Spline Major Diameter | 0.3933 INCHES MINIMUM AND 0.3963 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 12 |
| First End Hole Diameter | 0.0932 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN |
| Second End Pressure Angle | 30.0000 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | COPPER ALLOY |
| Second End Pitch Diameter | 0.3750 INCHES NOMINAL IN |
| First End Distance From Hole Center to End | 0.187 INCHES NOMINAL IN |
| Second End Spline Length | 1.781 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 |
| Part Number | Manufacturer |
|---|---|
| 7444510 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 7444510P1 | 5/9 Secondary reference General Electric Company |
NSN 3040-00-763-2201 is a Shaft,straight, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-763-2201 has 1 manufacturer part number on file: 7444510 (Lockheed Martin Corporation Div Rms).
Key specifications for 7444510: Surface Finish: 125.0 MICROINCHES; First End Diameter: 0.3933 INCHES MINIMUM AND 0.3963 INCHES MAXIMUM IN; Second End Diameter: 0.3933 INCHES MINIMUM AND 0.3963 INCHES MAXIMUM IN; Second End Spline Minor Diameter: 0.3358 INCHES MINIMUM AND 0.3438 INCHES MAXIMUM IN. 17 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.