The Pump Subassembly,centrifugal, cataloged under National Stock Number 4320-01-055-7550, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Waterous Company. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-055-7550 |
| Primary Part Number | 71487-2C3G4K |
| Item Name | Pump Subassembly,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Waterous Company |
| Status | ACTIVE |
| Major Components | PUMP HEAD 1; IMPELLER 1; IMPELLER SHAFT 1; VOLUTE BODY 1 |
| 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 |
|---|---|
| 71487-2C3G4K PRIMARY | Waterous Company (USA) |
| Reference | Meaning |
|---|---|
| 71487-2C3G4D | 5/9 Secondary reference Waterous Company |
| 71487-2T3G4B | 5/9 Secondary reference Waterous Company |
| 71487 | 5/1 Secondary reference Waterous Company |
NSN 4320-01-055-7550 is a Pump Subassembly,centrifugal, manufactured by Waterous Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-055-7550 has 1 manufacturer part number on file: 71487-2C3G4K (Waterous Company).
Key specifications for 71487-2C3G4K: Major Components: PUMP HEAD 1; IMPELLER 1; IMPELLER SHAFT 1; VOLUTE BODY 1; End Item Identification: 4320-00-229-9557 CENTRIFUGAL PUMP. 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.