The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-254-7985, 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 20 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-254-7985 |
| Primary Part Number | 389158WPCX3 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Keyway Depth | 0.1880 INCHES NOMINAL BOTH ENDS IN |
| Securing Method | THREADED HOLE(S) SECOND END |
| Threaded Hole Location | BOTH ENDS: LOCATED ON TOP OF KEY |
| Bore Length | 2.1250 INCHES NOMINAL FIRST END IN |
| Bore Length | 2.3750 INCHES NOMINAL SECOND END IN |
| Key Width | 0.250 INCHES NOMINAL SECOND END IN |
| Key Width | 0.375 INCHES NOMINAL FIRST END IN |
| Design Type | SILENT CHAIN |
| Keying Facility Type | KEYWAY FIRST END |
| Keying Facility Type | KEYWAY SECOND END |
| Outside Diameter | 4.563 INCHES NOMINAL IN |
| Features Provided | KEYWAY |
| Bore Shape | STRAIGHT FIRST END |
| Bore Shape | STRAIGHT SECOND END |
| Keying Facility Quantity | 1 BOTH ENDS |
| Threaded Hole Quantity | 2 FIRST END |
| Thread Size Designator | 5/16-18 THD SIZE BOTH ENDS |
| Bore Diameter | 1.0000 INCHES NOMINAL SECOND END IN |
| Bore Diameter | 1.3750 INCHES NOMINAL FIRST END IN |
| Furnished Items and Quantity | 2 SETSCREWS |
| 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 |
|---|---|
| 389158WPCX3 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 389158WPCX3 | 5/9 Secondary reference U.S. Government activity |
| 2262-44PCX3 | 5/9 Secondary reference U.S. Government activity |
| 389158PCX3 | 5/9 Secondary reference Naval Sea Systems Command |
| 389158PCX3 | 5/9 Secondary reference U.S. Government activity |
| 2062-44PCX3 | 5/9 Secondary reference U.S. Government activity |
NSN 3010-00-254-7985 is a Coupling,shaft,flexible, manufactured by Naval Sea Systems Command, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-254-7985 has 1 manufacturer part number on file: 389158WPCX3 (Naval Sea Systems Command).
Key specifications for 389158WPCX3: Keyway Depth: 0.1880 INCHES NOMINAL BOTH ENDS IN; Securing Method: THREADED HOLE(S) SECOND END; Threaded Hole Location: BOTH ENDS: LOCATED ON TOP OF KEY; Bore Length: 2.1250 INCHES NOMINAL FIRST END IN. 20 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.