The Pump Unit,rotary, cataloged under National Stock Number 4320-01-445-9090, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Diers G H Co. Government technical data includes 24 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-445-9090 |
| Primary Part Number | B9045C-B5759 |
| Item Name | Pump Unit,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Diers G H Co |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | SINGLE |
| Intake Connection Type | THREADED INTERNAL |
| Frequency in Hertz | 60.0 |
| Inclosure Type | FULLY INCLOSED |
| Current Type | AC |
| Pumping Element Operating Position | HORIZONTAL |
| Prime Mover Power Rating | 0.0769 HORSEPOWER |
| Voltage in Volts | 115.0 |
| Cooling Method | BLOWER COOLED |
| Prime Mover Quantity | 1 |
| Operating Speed at Rated Capacity | 3550.0 REVOLUTIONS PER MINUTE |
| Pump Quantity | 1 |
| Discharge Connection Thread Size and Series/type Designator | 0.125-27 NPT |
| Prime Mover Cooling Medium | AIR |
| Intake Connection Thread Size and Series/type Designator | 0.125-27 NPT |
| Discharge Pressure | 00.0 WATER CONSERVING - WATER SAVING TECHNOLOGIES - LOW-FLOW PRE-RINSE SPRAY VALVES |
| Maximum Discharge Flow Rate | 2.0 GALLONS PER MINUTE |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Mounting Type | BASE |
| Current Rating in Amps | 2.8 |
| 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 |
|---|---|
| B9045C-B5759 | Diers G H Co (USA) |
| Reference | Meaning |
|---|---|
| B9045C-B5759 | 3/9 Design control — primary reference Tuthill Corporation Dba Tuthill Pump Group |
| 20005 | D/9 Drawing number reference only Tuthill Corporation Dba Tuthill Pump Group |
| 63245 | D/9 Drawing number reference only Tuthill Corporation Dba Tuthill Pump Group |
| 1007 | D/9 Drawing number reference only Tuthill Corporation Dba Tuthill Pump Group |
NSN 4320-01-445-9090 is a Pump Unit,rotary, manufactured by Diers G H Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-445-9090 has 1 manufacturer part number on file: B9045C-B5759 (Diers G H Co).
Key specifications for B9045C-B5759: Discharge Connection Quantity: 1; Phase: SINGLE; Intake Connection Type: THREADED INTERNAL; Frequency in Hertz: 60.0. 24 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.