The Shaft Assembly,flexible, cataloged under National Stock Number 3040-00-027-5764, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-027-5764 |
| Item Name | Shaft Assembly,flexible |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Width Across Flats | 0.750 INCHES NOMINAL BOTH ENDS IN |
| Spline Type | INVOLUTE BOTH ENDS |
| Cross Section Size and Location | 0.437 INCHES NOMINAL DIAMETER BOTH ENDS IN |
| End Overall Diameter | 0.750 INCHES NOMINAL BOTH ENDS IN |
| Spline Length | 0.250 INCHES NOMINAL BOTH ENDS IN |
| Thread Depth | 0.375 INCHES NOMINAL BOTH ENDS IN |
| Pitch Diameter | 0.250 INCHES NOMINAL BOTH ENDS IN |
| Spline Major Diameter | 0.312 INCHES NOMINAL BOTH ENDS IN |
| Thread Location | INTERNAL BOTH ENDS |
| Core Diameter | 0.150 INCHES NOMINAL IN |
| Features Provided | SWIVEL END BOTH ENDS |
| Torsional Deflection Rating | 6 DEG FT-LB IN. WINDING AND 7 DEG FT-LB IN. UNWINDING |
| Thread Direction | RIGHT-HAND BOTH ENDS |
| Spline Pressure Angle in Deg | 14.5 BOTH ENDS |
| Spline Quantity | 12 BOTH ENDS |
| Casing Length Between Ferrules | 32.100 INCHES NOMINAL IN |
| Core Rotation Direction | CLOCKWISE |
| Shank Outside Diameter | 0.437 INCHES NOMINAL BOTH ENDS IN |
| Core Removability | REMOVABLE |
| Core Overall Length | 32.100 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNS BOTH ENDS |
| Thread Class | 2 BOTH ENDS |
| Minor Diameter | UNABLE TO DECODE |
| Wrenching Facility Type | HEXAGON BOTH ENDS |
| Material | COPPER ALLOY CASING |
| Material | STEEL CORE |
| Casing Outside Diameter | 0.235 INCHES NOMINAL IN |
| Minimum Operating Radius | 2.500 INCHES IN |
| End Type | ROUND, INTERNAL SPLINED BOTH ENDS |
| 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 |
|---|---|
| 302T100-5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-027-5764 is a Shaft Assembly,flexible, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-027-5764: Width Across Flats: 0.750 INCHES NOMINAL BOTH ENDS IN; Spline Type: INVOLUTE BOTH ENDS; Cross Section Size and Location: 0.437 INCHES NOMINAL DIAMETER BOTH ENDS IN; End Overall Diameter: 0.750 INCHES NOMINAL BOTH ENDS IN. 29 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.