The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-437-9444, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division. Government technical data includes 8 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-437-9444 |
| Primary Part Number | 310436 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
| Status | ACTIVE |
| Bore Length | 3.1600 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INSERT |
| Outside Diameter | 6.380 INCHES NOMINAL IN |
| Features Provided | KEYWAY |
| Bore Shape | ROUGH STOCK BOTH ENDS |
| Bore Diameter | 2.3750 INCHES MAXIMUM SECOND END IN |
| Bore Diameter | 3.0000 INCHES MAXIMUM FIRST END IN |
| Insert Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| BWN 162 ROUGH BORE | Circor Pumps North America Llc (USA) |
| 310436 PRIMARY | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
| Reference | Meaning |
|---|---|
| BWN 162 ROUGH BORE | 5/9 Secondary reference Imo Ab |
| 662384310436 | 5/9 Secondary reference Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
| NOVA 313 ROUGH BORE | 5/9 Secondary reference Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
| BWN 162 ROUGH BORE | 5/9 Secondary reference Flender Corporation Dba Foreign Parent Is a Friedr Flender Ag Bocholt Germany. |
| BWN 162 | 5/9 Secondary reference Imo Ab |
NSN 3010-01-437-9444 is a Coupling,shaft,flexible, manufactured by Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-437-9444 has 2 manufacturer part numbers on file: BWN 162 ROUGH BORE (Circor Pumps North America Llc), 310436 (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-590-9708. Verify interchangeability with system specifications before substitution.
Key specifications for 310436: Bore Length: 3.1600 INCHES NOMINAL BOTH ENDS IN; Design Type: INSERT; Overall Length: 7.740 INCHES NOMINAL IN; Outside Diameter: 6.380 INCHES NOMINAL IN. 8 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.