The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-343-7502, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 — Torque Converters and Speed Changers (FSG 30) |
| Manufacturers | Caterpillar Inc Div Caterpillar Defense (CAGE 11083); American Vulkan Corporation Dba Vulkan Corp (CAGE 60248) |
| Parameter | Value |
|---|---|
| NSN | 3010-01-343-7502 |
| Primary Part Number | 1A27D94781 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | American Vulkan Corporation Dba Vulkan Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7E1059 | Caterpillar Inc Div Caterpillar Defense (USA) |
| 1A27D94781 PRIMARY | American Vulkan Corporation Dba Vulkan Corp (USA) |
| 9Y7402 IT 1 | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 7949273109 | 5/9 Secondary reference American Vulkan Corporation Dba Vulkan Corp |
| RATO "S" MDL 2713 SERIES 2300 | 5/9 Secondary reference American Vulkan Corporation Dba Vulkan Corp |
NSN 3010-01-343-7502 is a Coupling,shaft,flexible, manufactured by American Vulkan Corporation Dba Vulkan Corp, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-343-7502 has 3 manufacturer part numbers on file: 7E1059 (Caterpillar Inc Div Caterpillar Defense), 1A27D94781 (American Vulkan Corporation Dba Vulkan Corp), 9Y7402 IT 1 (Caterpillar Inc Div Caterpillar Defense).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 3010-01-343-7502 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.