The Pump Subassembly,centrifugal, cataloged under National Stock Number 4320-01-331-6903, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Carver Pump Company. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4320-01-331-6903 |
| Primary Part Number | 009-7100639-252253A |
| Item Name | Pump Subassembly,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Carver Pump Company |
| 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 |
|---|---|
| 009-7100639-252253A PRIMARY | Carver Pump Company (USA) |
| 209-5289304 PC38 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 816-0639-430 | 5/9 Secondary reference Carver Pump Company |
| 816-0639-240 | C/1 Advisory reference — outside the item-of-supply concept Carver Pump Company |
| 816-0639-430 | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
NSN 4320-01-331-6903 is a Pump Subassembly,centrifugal, manufactured by Carver Pump Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-331-6903 has 2 manufacturer part numbers on file: 009-7100639-252253A (Carver Pump Company), 209-5289304 PC38 (Naval Sea Systems Command).
Key specifications for 009-7100639-252253A: Special Features: SUCTION COVER; End Item Identification: COMBACT SYSTEM SUPPORT EQUIPMENT. 0 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.