The Coupling Half,shaft, cataloged under National Stock Number 3010-01-435-2540, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Siemens Industry Inc. Dba Flender. Government technical data includes 7 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-435-2540 |
| Primary Part Number | N-EUPEX,B,110,RSB,RSB |
| Item Name | Coupling Half,shaft |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Siemens Industry Inc. Dba Flender |
| Status | ACTIVE |
| Bore Length | 1.5700 INCHES NOMINAL IN |
| Body Style | FLEXIBLE SPIDER, INSERT TYPE, THROUGH BORE |
| Outside Diameter | 4.330 INCHES NOMINAL IN |
| Features Provided | KEYWAY |
| Bore Shape | ROUGH STOCK |
| Bore Diameter | 1.8750 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| N-EUPEX,B,110,RSB,RSB PRIMARY | Siemens Industry Inc. Dba Flender (USA) |
| Reference | Meaning |
|---|---|
| 126396 | 5/9 Secondary reference Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
| TI188A PART 2 | 5/9 Secondary reference Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
| TI188A | D/9 Drawing number reference only Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
| 662384-126396 RB | 3/9 Design control — primary reference Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
NSN 3010-01-435-2540 is a Coupling Half,shaft, manufactured by Siemens Industry Inc. Dba Flender, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-435-2540 has 1 manufacturer part number on file: N-EUPEX,B,110,RSB,RSB (Siemens Industry Inc. Dba Flender).
1 possible match (shared part number, not a government interchangeability claim): 3010-01-435-2544. Verify interchangeability with system specifications before substitution.
Key specifications for N-EUPEX,B,110,RSB,RSB: Bore Length: 1.5700 INCHES NOMINAL IN; Body Style: FLEXIBLE SPIDER, INSERT TYPE, THROUGH BORE; Overall Length: 2.320 INCHES NOMINAL IN; Outside Diameter: 4.330 INCHES NOMINAL IN. 7 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.