The Shaft Assembly,flexible, cataloged under National Stock Number 3040-00-779-5779, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-779-5779 |
| Primary Part Number | 2814560 |
| Item Name | Shaft Assembly,flexible |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| FSC Application Data | SHIELD,GUN MOUNT |
| Width Across Flats | 0.750 INCHES NOMINAL BOTH ENDS IN |
| Tongue Thickness | 0.147 INCHES MINIMUM FIRST END IN |
| Tongue Thickness | 0.150 INCHES MAXIMUM SECOND END IN |
| End Overall Diameter | 0.526 INCHES NOMINAL BOTH ENDS IN |
| End Connection Type | UNION FERRULE BOTH ENDS |
| Thread Depth | 0.312 INCHES NOMINAL BOTH ENDS IN |
| Thread Location | INTERNAL BOTH ENDS |
| Thread Direction | RIGHT-HAND BOTH ENDS |
| Casing Length Between Ferrules | 71.750 INCHES MINIMUM AND 72.250 INCHES MAXIMUM IN |
| Core Removability | NONREMOVABLE |
| Screw Thread Series Designator | UNS BOTH ENDS |
| Thread Class | 3B BOTH ENDS |
| Wrenching Facility Type | HEXAGON BOTH ENDS |
| Minimum Operating Radius | 6.000 INCHES IN |
| End Type | ROUND, FLATTED TWO SIDES, EXTERNAL 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 |
NSN 3040-00-779-5779 is a Shaft Assembly,flexible, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-779-5779 has 2 manufacturer part numbers on file: 2814560 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 7170Y0C (S.s. White Technologies, Inc.).
Key specifications for 2814560: FSC Application Data: SHIELD,GUN MOUNT; Width Across Flats: 0.750 INCHES NOMINAL BOTH ENDS IN; Tongue Thickness: 0.147 INCHES MINIMUM FIRST END IN; Tongue Thickness: 0.150 INCHES MAXIMUM SECOND END IN. 16 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.