The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-331-7125, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-331-7125 |
| Primary Part Number | 3203051 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Keyway Depth | 0.2810 INCHES NOMINAL BOTH ENDS IN |
| Bore Length | 3.8120 INCHES NOMINAL BOTH ENDS IN |
| Key Width | 0.753 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INTERNAL GEAR |
| Taper Minor Diameter | 3.1010 INCHES NOMINAL BOTH ENDS IN |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Outside Diameter | 11.750 INCHES NOMINAL IN |
| Features Provided | KEYWAY AND EXPOSED COUPLING BOLT TYPE AND FLOATING SHAFT AND SHROUDED COUPLING BOLT TYPE |
| Bore Shape | TAPERED BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Taper Largest Diameter | 3.4970 INCHES NOMINAL BOTH ENDS 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 |
|---|---|
| 4919-700-1 | Renold Inc Div Ajax (USA) |
| 3203051 PRIMARY | Naval Sea Systems Command (USA) |
| CS3010-SR-0703 PRIMARY | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| G136SLA | Renold Inc Div Ajax (USA) |
| Reference | Meaning |
|---|---|
| 3203051 | 5/9 Secondary reference U.S. Government activity |
NSN 3010-00-331-7125 is a Coupling,shaft,flexible, manufactured by Naval Sea Systems Command, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-331-7125 has 4 manufacturer part numbers on file: 4919-700-1 (Renold Inc Div Ajax), 3203051 (Naval Sea Systems Command), CS3010-SR-0703 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), G136SLA (Renold Inc Div Ajax).
Key specifications for 3203051: Keyway Depth: 0.2810 INCHES NOMINAL BOTH ENDS IN; Bore Length: 3.8120 INCHES NOMINAL BOTH ENDS IN; Key Width: 0.753 INCHES NOMINAL BOTH ENDS IN; Design Type: INTERNAL GEAR. 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.