The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-003-6447, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-003-6447 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Keyway Depth | 0.0937 INCHES NOMINAL BOTH ENDS IN |
| Securing Method | KEY BOTH ENDS |
| Bore Length | 1.4375 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INSERT |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Keying Facility Spacing in Deg | 180.0 BOTH ENDS |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Keyway Width | 0.187 INCHES NOMINAL BOTH ENDS IN |
| Bore Diameter | 0.7500 INCHES NOMINAL FIRST END IN |
| Bore Diameter | 0.6250 INCHES NOMINAL SECOND END IN |
| Insert Material | COPPER ALLOY |
| Reference Number Differentiating Characteristics | FREE OF MERCURY CONTAMINATION FOR NUCLEAR PROPULSION PLANTS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| FCBB20-5/8-3/4 | 3/1 Design control — primary reference Altra Industrial Motion Corp. |
| FCBB20-5-8X3-4 | C/1 Advisory reference — outside the item-of-supply concept Altra Industrial Motion Corp. |
NSN 3010-01-003-6447 is a Coupling,shaft,flexible, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
Key specifications for 3010-01-003-6447: Keyway Depth: 0.0937 INCHES NOMINAL BOTH ENDS IN; Securing Method: KEY BOTH ENDS; Bore Length: 1.4375 INCHES NOMINAL BOTH ENDS IN; Design Type: INSERT. 14 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.