The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-388-1253, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Kone Industrial Oy. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-388-1253 |
| Primary Part Number | ROTEX 38/45 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Kone Industrial Oy |
| Status | ACTIVE |
| Keyway Depth | 0.1140 INCHES NOMINAL FIRST END IN |
| Keyway Depth | 0.1710 INCHES NOMINAL SECOND END IN |
| Bore Length | 1.7720 INCHES NOMINAL BOTH ENDS IN |
| Design Type | MULTIJAW |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Outside Diameter | 3.150 INCHES NOMINAL IN |
| Features Provided | KEYWAY |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Keyway Width | 0.250 INCHES NOMINAL FIRST END IN |
| Keyway Width | 0.375 INCHES NOMINAL SECOND END IN |
| Bore Diameter | 1.0000 INCHES NOMINAL FIRST END IN |
| Bore Diameter | 1.6250 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 |
|---|---|
| ROTEX 38/45 PRIMARY | Kone Industrial Oy (FIN) |
| 4387G2000 FIND 8 | General Crane and Hoist, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4387G2500 | 7/2 Vendor item drawing reference General Crane and Hoist, Inc. |
| ROTEX 38/45 | 3/9 Design control — primary reference Kone Oyj Hyvinkaan Tehtaat |
| 4387G2000 | D/9 Drawing number reference only General Crane and Hoist, Inc. |
NSN 3010-01-388-1253 is a Coupling,shaft,flexible, manufactured by Kone Industrial Oy, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-388-1253 has 2 manufacturer part numbers on file: ROTEX 38/45 (Kone Industrial Oy), 4387G2000 FIND 8 (General Crane and Hoist, Inc.).
Key specifications for ROTEX 38/45: Keyway Depth: 0.1140 INCHES NOMINAL FIRST END IN; Keyway Depth: 0.1710 INCHES NOMINAL SECOND END IN; Bore Length: 1.7720 INCHES NOMINAL BOTH ENDS IN; Design Type: MULTIJAW. 13 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.