The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-321-8497, 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 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3010-01-321-8497 |
| Primary Part Number | FC20SOLIDXFCR20 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Altra Industrial Motion Corp. |
| Status | ACTIVE |
| Keyway Depth | 0.1250 INCHES NOMINAL BOTH ENDS IN |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | ON EACH HUB |
| Bore Length | 1.4375 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INSERT |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Features Provided | KEYWAY |
| Bore Shape | ROUGH STOCK BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Threaded Hole Quantity | 1 BOTH ENDS |
| Thread Size Designator | 3/8-16 BOTH ENDS |
| Keyway Width | 0.250 INCHES NOMINAL BOTH ENDS IN |
| Bore Diameter | 1.0000 INCHES NOMINAL BOTH ENDS IN |
| Insert Material | RUBBER |
| 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 |
|---|---|
| FC20SOLIDXFCR20 PRIMARY | Altra Industrial Motion Corp. (USA) |
| Reference | Meaning |
|---|---|
| FCR20RGH-RGH | 5/9 Secondary reference Altra Industrial Motion Corp. |
| SRC-20 | 5/9 Secondary reference Altra Industrial Motion Corp. |
| FCR20RGH | C/1 Advisory reference — outside the item-of-supply concept Altra Industrial Motion Corp. |
NSN 3010-01-321-8497 is a Coupling,shaft,flexible, manufactured by Altra Industrial Motion Corp., classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-321-8497 has 1 manufacturer part number on file: FC20SOLIDXFCR20 (Altra Industrial Motion Corp.).
Key specifications for FC20SOLIDXFCR20: Keyway Depth: 0.1250 INCHES NOMINAL BOTH ENDS IN; Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: ON EACH HUB; Bore Length: 1.4375 INCHES NOMINAL BOTH ENDS IN. 15 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.