The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-293-4604, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-293-4604 |
| Primary Part Number | 906423 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| Status | ACTIVE |
| Keyway Depth | 0.1250 INCHES NOMINAL SECOND END IN |
| Keyway Depth | 0.1880 INCHES NOMINAL FIRST END IN |
| Bore Length | 2.7500 INCHES NOMINAL BOTH ENDS IN |
| Design Type | GRID SPRING |
| Taper Minor Diameter | 1.01728 INCHES NOMINAL SECOND END IN |
| Taper Minor Diameter | 1.2787 INCHES NOMINAL FIRST END IN |
| Keying Facility Type | KEYWAY FIRST END |
| Keying Facility Type | KEYWAY SECOND END |
| Outside Diameter | 5.625 INCHES NOMINAL IN |
| Counterbore Depth | 1.3750 INCHES NOMINAL SECOND END IN |
| Counterbore Depth | 0.8750 INCHES NOMINAL FIRST END IN |
| Features Provided | KEYWAY AND COUNTERBORE AND MILL MOTOR AND SHROUDED COUPLING BOLT TYPE AND EXPOSED COUPLING BOLT TYPE |
| Bore Shape | TAPERED SECOND END |
| Bore Shape | TAPERED FIRST END |
| Keying Facility Quantity | 1 BOTH ENDS |
| Taper Largest Diameter | 1.4740 INCHES NOMINAL FIRST END IN |
| Counterbore Diameter | 2.3750 INCHES NOMINAL BOTH ENDS IN |
| Keyway Width | 0.250 INCHES NOMINAL SECOND END IN |
| Keyway Width | 0.375 INCHES NOMINAL FIRST 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 |
|---|---|
| 906423 PRIMARY | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| Reference | Meaning |
|---|---|
| E2328-34 | 5/9 Secondary reference Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
NSN 3010-00-293-4604 is a Coupling,shaft,flexible, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-293-4604 has 1 manufacturer part number on file: 906423 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).
Key specifications for 906423: Keyway Depth: 0.1250 INCHES NOMINAL SECOND END IN; Keyway Depth: 0.1880 INCHES NOMINAL FIRST END IN; Bore Length: 2.7500 INCHES NOMINAL BOTH ENDS IN; Design Type: GRID SPRING. 19 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.