The Shaft,straight, cataloged under National Stock Number 3040-01-044-3937, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-044-3937 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| FSC Application Data | CATAPULT SYSTEM,LAUNCHING SHUTTLE |
| First End Diameter | 1.9950 INCHES NOMINAL IN |
| Second End Diameter | 1.9950 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Groove Diameter | 1.6250 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.3590 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 2.391 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 423498-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-044-3937 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-044-3937: FSC Application Data: CATAPULT SYSTEM,LAUNCHING SHUTTLE; First End Diameter: 1.9950 INCHES NOMINAL IN; Second End Diameter: 1.9950 INCHES NOMINAL IN; First End Style: PLAIN. 10 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 3040-01-044-3937 has DEMIL Code B. 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.