The Insert,flexible Coupling, cataloged under National Stock Number 3010-01-447-5059, 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 6 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-447-5059 |
| Primary Part Number | 123-4403525 PART 55 |
| Item Name | Insert,flexible Coupling |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Key Width | 0.9980 INCHES NOMINAL IN |
| Overall Thickness | 2.2500 INCHES NOMINAL IN |
| Style Designator | KEY TO CROSS KEY FACE |
| Overall Outside Diameter | 3.3750 INCHES NOMINAL IN |
| Key Height | 0.7500 INCHES NOMINAL IN |
| Material | NICKEL ALLOY AND 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 |
|---|---|
| 123-4403528 PART 6 | Naval Sea Systems Command (USA) |
| 123-4403525 PART 55 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 123-4403528 | D/9 Drawing number reference only Naval Sea Systems Command |
| 123-4403525 | D/9 Drawing number reference only Naval Sea Systems Command |
| 1502-69 PART 55 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 1502-72 PART 6 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 123-4403525 PAR | C/1 Advisory reference — outside the item-of-supply concept Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 3010-01-447-5059 is a Insert,flexible Coupling, manufactured by Naval Sea Systems Command, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-447-5059 has 2 manufacturer part numbers on file: 123-4403528 PART 6 (Naval Sea Systems Command), 123-4403525 PART 55 (Naval Sea Systems Command).
Key specifications for 123-4403525 PART 55: Key Width: 0.9980 INCHES NOMINAL IN; Overall Thickness: 2.2500 INCHES NOMINAL IN; Style Designator: KEY TO CROSS KEY FACE; Overall Outside Diameter: 3.3750 INCHES NOMINAL IN. 6 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.