The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-280-4347, 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 Div Couplings Division. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-280-4347 |
| Primary Part Number | 263DBZC5 1-2 ROUGH BORE |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Rexnord Industries, Llc Div Couplings Division |
| Status | ACTIVE |
| Bore Length | 3.0000 INCHES NOMINAL BOTH ENDS IN |
| Design Type | DOUBLE DISK |
| Outside Diameter | 7.000 INCHES NOMINAL IN |
| Features Provided | EXPOSED COUPLING BOLT TYPE |
| Bore Shape | ROUGH STOCK BOTH ENDS |
| Bore Diameter | 2.8750 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 |
|---|---|
| 263DBZC5 1-2 ROUGH BORE PRIMARY | Rexnord Industries, Llc Div Couplings Division (USA) |
| 263DBZC5 1-2 | Rexnord Industries, Llc Div Couplings Division (USA) |
NSN 3010-01-280-4347 is a Coupling,shaft,flexible, manufactured by Rexnord Industries, Llc Div Couplings Division, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-280-4347 has 2 manufacturer part numbers on file: 263DBZC5 1-2 ROUGH BORE (Rexnord Industries, Llc Div Couplings Division), 263DBZC5 1-2 (Rexnord Industries, Llc Div Couplings Division).
Key specifications for 263DBZC5 1-2 ROUGH BORE: Bore Length: 3.0000 INCHES NOMINAL BOTH ENDS IN; Design Type: DOUBLE DISK; Overall Length: 11.500 INCHES NOMINAL IN; Outside Diameter: 7.000 INCHES NOMINAL IN. 6 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.