The Coupling Half,shaft, cataloged under National Stock Number 3010-00-294-8869, 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 7 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-294-8869 |
| Primary Part Number | CB57542 |
| Item Name | Coupling Half,shaft |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
| Status | ACTIVE |
| Body Style | MULTIPLE POSITIONING HOLES, RECESSED FACE |
| Material Document and Classification | MIL-S-890, SHIPS, CLASS B MIL SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 7.620 INCHES MINIMUM AND 7.630 INCHES MAXIMUM IN |
| Features Provided | KEYWAY AND COUNTERBORE |
| Bore Shape | TAPERED |
| Taper Largest Diameter | 1.9960 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 |
|---|---|
| CB57542 PRIMARY | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
| S-320JX9 | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
| S320JX9 PRIMARY | Circor Pumps North America Llc (USA) |
| SG1676PC34 | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| S320JX9 | 5/9 Secondary reference Siemens Energy, Inc. |
| SG1676PC34 | 5/9 Secondary reference Siemens Energy, Inc. |
| CM5S5500-033PC34 | 5/2 Secondary reference U.S. Government activity |
NSN 3010-00-294-8869 is a Coupling Half,shaft, 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 3010-00-294-8869 has 4 manufacturer part numbers on file: CB57542 (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division), S-320JX9 (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division), S320JX9 (Circor Pumps North America Llc), SG1676PC34 (Circor Pumps North America Llc).
Key specifications for CB57542: Body Style: MULTIPLE POSITIONING HOLES, RECESSED FACE; Material Document and Classification: MIL-S-890, SHIPS, CLASS B MIL SPEC SINGLE MATERIAL RESPONSE; Overall Length: 2.500 INCHES NOMINAL IN; Outside Diameter: 7.620 INCHES MINIMUM AND 7.630 INCHES MAXIMUM IN. 7 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.