The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-208-9503, 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 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-208-9503 |
| Primary Part Number | 2/FC25-1.180/1.181XFCBB25 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Altra Industrial Motion Corp. |
| Status | ACTIVE |
| Keyway Depth | 0.2500 INCHES NOMINAL BOTH ENDS IN |
| Bore Length | 1.5938 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INSERT |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Outside Diameter | 2.500 INCHES NOMINAL IN |
| Features Provided | KEYWAY |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Keyway Width | 0.250 INCHES NOMINAL BOTH ENDS IN |
| Bore Diameter | 1.1875 INCHES NOMINAL BOTH ENDS IN |
| Insert Material | COPPER ALLOY |
| 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 |
|---|---|
| 2/FC25-1.180/1.181XFCBB25 PRIMARY | Altra Industrial Motion Corp. (USA) |
| FCBB-25 | Altra Industrial Motion Corp. (USA) |
| Reference | Meaning |
|---|---|
| FCBB-25 SOLID 1.180/1.181 | 5/9 Secondary reference Altra Industrial Motion Corp. |
| FCBB-25 1.180/1.181 IN. BORE | 5/9 Secondary reference Altra Industrial Motion Corp. |
| FC25-1.180/1.181XFCBB25 | 5/9 Secondary reference Altra Industrial Motion Corp. |
NSN 3010-01-208-9503 is a Coupling,shaft,flexible, manufactured by Altra Industrial Motion Corp., classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-208-9503 has 2 manufacturer part numbers on file: 2/FC25-1.180/1.181XFCBB25 (Altra Industrial Motion Corp.), FCBB-25 (Altra Industrial Motion Corp.).
Key specifications for 2/FC25-1.180/1.181XFCBB25: Keyway Depth: 0.2500 INCHES NOMINAL BOTH ENDS IN; Bore Length: 1.5938 INCHES NOMINAL BOTH ENDS IN; Design Type: INSERT; Keying Facility Type: KEYWAY BOTH ENDS. 11 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.