The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-306-2645, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Altra Industrial Motion Corp.. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-306-2645 |
| Primary Part Number | FC25-1-1/4XFCA25 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Altra Industrial Motion Corp. |
| Status | ACTIVE |
| Bore Length | 1.5940 INCHES NOMINAL FIRST END IN |
| Overall Diameter | 2.500 INCHES NOMINAL IN |
| Style Designator | PLAIN SLEEVE |
| Features Provided | KEYWAY |
| Bore Shape | STRAIGHT FIRST END |
| Body Material | STEEL |
| Threaded Hole Quantity | 2 |
| Bore Diameter | 1.1250 INCHES NOMINAL FIRST END IN |
| 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 |
|---|---|
| FC25-1-1/4XFCA25 PRIMARY | Altra Industrial Motion Corp. (USA) |
| T0-566051-2 PRIMARY | Lockheed Martin Corp (USA) |
| Reference | Meaning |
|---|---|
| FC25-1-1/4/2 XFCA25 | 5/9 Secondary reference Altra Industrial Motion Corp. |
| FC25-1-1/4 | 5/1 Secondary reference Altra Industrial Motion Corp. |
NSN 3010-01-306-2645 is a Coupling,shaft,rigid, manufactured by Altra Industrial Motion Corp., classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-306-2645 has 2 manufacturer part numbers on file: FC25-1-1/4XFCA25 (Altra Industrial Motion Corp.), T0-566051-2 (Lockheed Martin Corp).
Key specifications for FC25-1-1/4XFCA25: Bore Length: 1.5940 INCHES NOMINAL FIRST END IN; Overall Diameter: 2.500 INCHES NOMINAL IN; Style Designator: PLAIN SLEEVE; Overall Length: 4.125 INCHES NOMINAL IN. 8 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.