The Hub,coupling,flexible, cataloged under National Stock Number 3010-01-398-5797, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-398-5797 |
| Item Name | Hub,coupling,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Hub Bore Diameter | 1.875 INCHES MAXIMUM IN |
| Model or Size Coupling for Which Designed | OSDC-750 |
| Bore Type | STRAIGHT |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 8027A 1 7/8 IN.MAX BORE | 3/9 Design control — primary reference Dalton Gear Company |
| 8027A | 5/9 Secondary reference Dalton Gear Company |
| OSDC-750 PC 1 1 7/8 IN.MAX BORE | 5/9 Secondary reference Dalton Gear Company |
| OSDC-750 PC 1 | 5/9 Secondary reference Dalton Gear Company |
NSN 3010-01-398-5797 is a Hub,coupling,flexible, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
Key specifications for 3010-01-398-5797: Hub Bore Diameter: 1.875 INCHES MAXIMUM IN; Model or Size Coupling for Which Designed: OSDC-750; Overall Length: 1.156 INCHES NOMINAL IN; Bore Type: STRAIGHT. 4 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.