The Hub,coupling,flexible, cataloged under National Stock Number 3010-01-291-5279, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Siemens Energy, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Hub,coupling,flexible |
| FSC / FSG | 3010 — Torque Converters and Speed Changers (FSG 30) |
| Manufacturers | Siemens Energy, Inc. (CAGE 16712) |
| Parameter | Value |
|---|---|
| NSN | 3010-01-291-5279 |
| Primary Part Number | MR-440FJX2 |
| Item Name | Hub,coupling,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| H-2327 PIECE 12 | Siemens Energy, Inc. (USA) |
| MR-440FJX2 PRIMARY | Siemens Energy, Inc. (USA) |
| Reference | Meaning |
|---|---|
| H-2327 | D/9 Drawing number reference only Siemens Energy, Inc. |
NSN 3010-01-291-5279 is a Hub,coupling,flexible, manufactured by Siemens Energy, Inc., classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-291-5279 has 2 manufacturer part numbers on file: H-2327 PIECE 12 (Siemens Energy, Inc.), MR-440FJX2 (Siemens Energy, Inc.).
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.