The Pump,centrifugal, cataloged under National Stock Number 4320-01-494-4644, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is R. a. Mueller, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-494-4644 |
| Primary Part Number | 1SVBK13 |
| Item Name | Pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | R. a. Mueller, Inc. |
| Status | ACTIVE |
| Operating Speed at Rated Capacity | 3500.0 REVOLUTIONS PER MINUTE |
| 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 |
|---|---|
| 1SVBK13 PRIMARY | R. a. Mueller, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 645-00231 | 5/9 Secondary reference Production Control Units, Inc Div Production Control Units, Inc. |
NSN 4320-01-494-4644 is a Pump,centrifugal, manufactured by R. a. Mueller, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-494-4644 has 1 manufacturer part number on file: 1SVBK13 (R. a. Mueller, Inc.).
Key specifications for 1SVBK13: Operating Speed at Rated Capacity: 3500.0 REVOLUTIONS PER MINUTE; Special Features: 5PM AT 240 PSI; 13 STAGE STAINLESS STEEL PUMP; 5 HP MOTOR NOT INCLUDED; 15 GPM NOMINAL FLOW; TOTAL DYNAMIC HEAD APPROXIMATELY 620 FEET FT; Part Name Assigned by Controlling Agency: 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.