The Pump,centrifugal, cataloged under National Stock Number 4320-01-256-8562, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-256-8562 |
| Primary Part Number | 5952078 ITEM 1-1 |
| Item Name | Pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | ROUND FLANGE |
| Pumping Element Operating Position | VERTICAL |
| Operating Speed at Rated Capacity | 900.0 REVOLUTIONS PER MINUTE |
| Stage Quantity | 1 |
| Maximum Discharge Flow Rate | 3500.0 GALLONS PER MINUTE |
| Discharge Connection Type | ROUND FLANGE |
| Intake Connection Quantity | 1 |
| Pump Rotation Direction | COUNTERCLOCKWISE |
| Mounting Type | FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 5952078 ITEM 1-1 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| RW-166262 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| RW-166262 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4320-01-256-8562 is a Pump,centrifugal, manufactured by Naval Sea Systems Command, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-256-8562 has 1 manufacturer part number on file: 5952078 ITEM 1-1 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-548-3110. Verify interchangeability with system specifications before substitution.
Key specifications for 5952078 ITEM 1-1: Discharge Connection Quantity: 1; Intake Connection Type: ROUND FLANGE; Pumping Element Operating Position: VERTICAL; Operating Speed at Rated Capacity: 900.0 REVOLUTIONS PER MINUTE. 10 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.