The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-253-1395, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3010-00-253-1395 |
| Primary Part Number | M402566SUB15PT508 |
| 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 | UNTHREADED HOLE(S) SECOND END |
| Securing Method | THREADED HOLE(S) FIRST END |
| Threaded Hole Location | BOTH ENDS: LOCATED ONE ON EACH HUB |
| Bore Length | 0.3130 INCHES NOMINAL FIRST END IN |
| Bore Length | 0.3130 INCHES NOMINAL SECOND END IN |
| Design Type | INSULATOR W/SPRING ACTION |
| Bore Shape | STRAIGHT FIRST END |
| Bore Shape | STRAIGHT SECOND END |
| Threaded Hole Quantity | 2 BOTH ENDS |
| Unthreaded Hole Quantity | 2 BOTH ENDS |
| Thread Size Designator | NO. 8-32 BOTH ENDS |
| Unthreaded Hole Location | BOTH ENDS: LOCATED 1 ON EACH HUB |
| Width | 2.563 INCHES NOMINAL IN |
| Bore Diameter | 0.2525 INCHES NOMINAL SECOND END IN |
| Bore Diameter | 0.3775 INCHES NOMINAL FIRST END 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 |
|---|---|
| M402566SUB15PT508 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| M402566SUB15PT508 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 3010-00-253-1395 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 3010-00-253-1395 has 1 manufacturer part number on file: M402566SUB15PT508 (L3 Technologies, Inc. Div Communication Systems-East).
Key specifications for M402566SUB15PT508: Securing Method: UNTHREADED HOLE(S) SECOND END; Securing Method: THREADED HOLE(S) FIRST END; Threaded Hole Location: BOTH ENDS: LOCATED ONE ON EACH HUB; Bore Length: 0.3130 INCHES NOMINAL FIRST END IN. 17 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.