The Hub,coupling,flexible, cataloged under National Stock Number 3010-01-423-1826, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rexnord Industries Llc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-423-1826 |
| Primary Part Number | 1110T20 HUB TAPERED BORE |
| Item Name | Hub,coupling,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Rexnord Industries Llc |
| Status | ACTIVE |
| Model or Size Coupling for Which Designed | T20 |
| Bore Type | TAPERED |
| Tapered Hole Major Diameter | 4.500 INCHES NOMINAL IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 505950 PART 246661 | Rexnord Industries Llc (USA) |
| 1110T20 HUB TAPERED BORE PRIMARY | Rexnord Industries Llc (USA) |
| 246661 PRIMARY | Rexnord Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 505950 | D/9 Drawing number reference only Rexnord Industries Llc |
| 110T20 HUB TAPERED BORE | 5/9 Secondary reference Rexnord Industries Llc |
NSN 3010-01-423-1826 is a Hub,coupling,flexible, manufactured by Rexnord Industries Llc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-423-1826 has 3 manufacturer part numbers on file: 505950 PART 246661 (Rexnord Industries Llc), 1110T20 HUB TAPERED BORE (Rexnord Industries Llc), 246661 (Rexnord Industries Llc).
Key specifications for 1110T20 HUB TAPERED BORE: Model or Size Coupling for Which Designed: T20; Overall Length: 5.000 INCHES NOMINAL IN; Bore Type: TAPERED; Tapered Hole Major Diameter: 4.500 INCHES NOMINAL IN. 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.