The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-253-2370, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-253-2370 |
| Primary Part Number | 7407908PT77 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Securing Method | THREADED HOLE(S) FIRST END |
| Threaded Hole Location | ONE HOLE EACH HUB |
| Bore Length | 0.6880 INCHES NOMINAL FIRST END IN |
| Bore Length | 0.6880 INCHES NOMINAL SECOND END IN |
| Design Type | INSULATOR W/SPRING ACTION |
| Outside Diameter | 2.813 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT FIRST END |
| Bore Shape | STRAIGHT SECOND END |
| Threaded Hole Quantity | 2 BOTH ENDS |
| Threaded Hole Quantity | 2 FIRST END |
| Thread Size Designator | NO. 10-32 BOTH ENDS |
| Bore Diameter | 0.3750 INCHES NOMINAL FIRST END IN |
| Bore Diameter | 0.3130 INCHES NOMINAL SECOND END 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 |
|---|---|
| 7407908PT77 PRIMARY | Westinghouse Electric Corp (USA) |
| 7607465G9 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 7407908PT77 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
NSN 3010-00-253-2370 is a Coupling,shaft,flexible, manufactured by Westinghouse Electric Corp, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-253-2370 has 2 manufacturer part numbers on file: 7407908PT77 (Westinghouse Electric Corp), 7607465G9 (Westinghouse Electric Corp).
Key specifications for 7407908PT77: Securing Method: THREADED HOLE(S) BOTH ENDS; Securing Method: THREADED HOLE(S) FIRST END; Threaded Hole Location: ONE HOLE EACH HUB; Bore Length: 0.6880 INCHES NOMINAL FIRST END IN. 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.