The Thrust Block, cataloged under National Stock Number 4320-01-452-3945, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Pumps North America Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-452-3945 |
| Primary Part Number | S1406D9219 |
| Item Name | Thrust Block |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Pumps North America Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| S1406D9219 PRIMARY | Circor Pumps North America Llc (USA) |
| S1406D9219 | Siemens Energy, Inc. (USA) |
| Reference | Meaning |
|---|---|
| SG-4435 | D/9 Drawing number reference only Siemens Energy, Inc. |
NSN 4320-01-452-3945 is a Thrust Block, manufactured by Circor Pumps North America Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-452-3945 has 2 manufacturer part numbers on file: S1406D9219 (Circor Pumps North America Llc), S1406D9219 (Siemens Energy, Inc.).
Key specifications for S1406D9219: End Item Identification: 1740-01-253-8064; Material: STEEL. 1 specification is 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.