The Insert,flexible Coupling, cataloged under National Stock Number 3010-01-520-3931, 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. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3010-01-520-3931 |
| Primary Part Number | 2X3418A003 |
| Item Name | Insert,flexible Coupling |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | American Vulkan Corporation Dba Vulkan Corp |
| 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 |
|---|---|
| VL3418 | American Vulkan Corporation Dba Vulkan Corp (USA) |
| 2X3418A003 PRIMARY | American Vulkan Corporation Dba Vulkan Corp (USA) |
| Reference | Meaning |
|---|---|
| 1X34184379-ABS SEQ 6 | 5/1 Secondary reference American Vulkan Corporation Dba Vulkan Corp |
NSN 3010-01-520-3931 is a Insert,flexible Coupling, manufactured by American Vulkan Corporation Dba Vulkan Corp, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-520-3931 has 2 manufacturer part numbers on file: VL3418 (American Vulkan Corporation Dba Vulkan Corp), 2X3418A003 (American Vulkan Corporation Dba Vulkan Corp).
Key specifications for 2X3418A003: Part Name Assigned by Controlling Agency: BLACK RUBBER ELEMENT WITH BOSS; End Item Identification: VULASTIK-L COUPLING. 0 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.