The Pump,centrifugal, cataloged under National Stock Number 4320-01-672-5993, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. The record lists 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Pump,centrifugal |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Circor Naval Solutions Llc Dba Warren Pumps (CAGE 63857); Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-672-5993 |
| Primary Part Number | 4-TDHB-6 PUMP |
| Item Name | Pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| 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 |
|---|---|
| 4-TDHB-6 PUMP | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| 4-TDHB-6 PUMPQ3 | Naval Inventory Control Point Mechanicsburg (USA) |
| PL-999F0937Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| 999F0937Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| PL-999F0937 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Reference | Meaning |
|---|---|
| 999F0937 | 3/1 Design control — primary reference Circor Naval Solutions Llc Dba Warren Pumps |
NSN 4320-01-672-5993 is a Pump,centrifugal, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-672-5993 has 5 manufacturer part numbers on file: 4-TDHB-6 PUMP (Circor Naval Solutions Llc Dba Warren Pumps), 4-TDHB-6 PUMPQ3 (Naval Inventory Control Point Mechanicsburg), PL-999F0937Q3 (Naval Inventory Control Point Mechanicsburg), 999F0937Q3 (Naval Inventory Control Point Mechanicsburg), PL-999F0937 (Circor Naval Solutions Llc Dba Warren Pumps).
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.