The Hub,coupling,flexible, cataloged under National Stock Number 3010-01-291-5220, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is American Vulkan Corporation Dba Vulkan Corp. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-291-5220 |
| Primary Part Number | 4X30056840 |
| Item Name | Hub,coupling,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | American Vulkan Corporation Dba Vulkan Corp |
| Status | ACTIVE |
| Model or Size Coupling for Which Designed | VL3011 |
| Material | STEEL |
| 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 |
|---|---|
| 6739312994A ITEM 13 | American Vulkan Corporation Dba Vulkan Corp (USA) |
| EN-320082 | American Vulkan Corporation Dba Vulkan Corp (USA) |
| 4X30056840 PRIMARY | American Vulkan Corporation Dba Vulkan Corp (USA) |
NSN 3010-01-291-5220 is a Hub,coupling,flexible, manufactured by American Vulkan Corporation Dba Vulkan Corp, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-291-5220 has 3 manufacturer part numbers on file: 6739312994A ITEM 13 (American Vulkan Corporation Dba Vulkan Corp), EN-320082 (American Vulkan Corporation Dba Vulkan Corp), 4X30056840 (American Vulkan Corporation Dba Vulkan Corp).
Key specifications for 4X30056840: Model or Size Coupling for Which Designed: VL3011; End Item Identification: 3010-01-291-5209; Material: STEEL. 2 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.