The Core,flexible Shaft Assembly, cataloged under National Stock Number 3040-00-507-9978, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-00-507-9978 |
| Item Name | Core,flexible Shaft Assembly |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Core Diameter | 0.128 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN |
| Material | STEEL |
| Machined Feature Size | 0.057 IN. MIN,0.060 IN. MAX THK BY 0.281 IN. MIN LG DRIVE KEY IN |
| End Type | SQUARE MALE |
| End Type | ROUND KEYED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 6680005079978 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 1581832 | 5/9 Secondary reference General Motors Llc Dba General Motors |
| 1581832 | 5/1 Secondary reference General Motors Corp |
| MIL-S-10215 | 5/9 Secondary reference U.S. Government activity |
| 7984853 | 5/1 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| MS51072-15 | 2/2 Government specification standardization U.S. Government activity |
| MIL-DTL-10215 | 4/1 Identification reference U.S. Government activity |
NSN 3040-00-507-9978 is a Core,flexible Shaft Assembly, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-507-9978: Overall Length: 145.156 INCHES NOMINAL IN; Core Diameter: 0.128 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN; Special Features: OUTER LAYER-WOUND RIGHT HAND LAY; Material: STEEL. 5 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.