The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-253-1394, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-253-1394 |
| Primary Part Number | M402566SUB15PT50 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Securing Method | THREADED HOLE(S) SECOND END |
| Securing Method | UNTHREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: LOCATED 90 DEG FROM UNTHREADED HOLE |
| Bore Length | 0.9380 INCHES NOMINAL BOTH ENDS IN |
| Insulator Material | CERAMIC |
| Design Type | INSULATOR W/SPRING ACTION |
| Bore Shape | STRAIGHT BOTH ENDS |
| Threaded Hole Quantity | 2 BOTH ENDS |
| Unthreaded Hole Quantity | 2 BOTH ENDS |
| Thread Size Designator | 8-32 BOTH ENDS |
| Unthreaded Hole Location | BOTH ENDS: LOCATED 90 DEG TO TAPPED HOLE |
| Width | 2.563 INCHES NOMINAL IN |
| Bore Diameter | 0.2525 INCHES NOMINAL BOTH ENDS IN |
| Furnished Items and Quantity | 2 SET SCREWS |
| Hole Diameter | 0.096 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 |
|---|---|
| M402566SUB15PT50 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| M402566SUB15PT509 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 3010-00-253-1394 is a Coupling,shaft,flexible, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-253-1394 has 1 manufacturer part number on file: M402566SUB15PT50 (L3 Technologies, Inc. Div Communication Systems-East).
Key specifications for M402566SUB15PT50: Securing Method: THREADED HOLE(S) SECOND END; Securing Method: UNTHREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: LOCATED 90 DEG FROM UNTHREADED HOLE; Bore Length: 0.9380 INCHES NOMINAL BOTH ENDS IN. 15 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.