The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-110-7304, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Circor Pumps North America Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3010-01-110-7304 |
| Primary Part Number | S2120K |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Circor Pumps North America Llc |
| Status | ACTIVE |
| Overall Diameter | 2.997 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT FIRST END |
| Body 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 |
|---|---|
| S2120K PRIMARY | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| S2120K | 5/9 Secondary reference Siemens Energy, Inc. |
NSN 3010-01-110-7304 is a Coupling,shaft,rigid, manufactured by Circor Pumps North America Llc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-110-7304 has 1 manufacturer part number on file: S2120K (Circor Pumps North America Llc).
Key specifications for S2120K: Overall Diameter: 2.997 INCHES NOMINAL IN; Overall Length: 6.000 INCHES NOMINAL IN; Bore Shape: STRAIGHT FIRST END; Body Material: STEEL. 3 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.