The Pump Unit,reciprocating, cataloged under National Stock Number 4320-01-277-5455, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Walchem Corp. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-277-5455 |
| Primary Part Number | 12711-51P |
| Item Name | Pump Unit,reciprocating |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Walchem Corp |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | SINGLE |
| Pumping Element Type | DIAPHRAGM |
| Frequency in Hertz | 60.0 |
| Voltage in Volts | 115.0 |
| Prime Mover Quantity | 1 |
| Pump Quantity | 1 |
| Discharge Pressure | 0.0 LIGHT COMMERCIAL HEATING AND COOLING - ENERGY STAR-HEATING AND COOLING - ENERGY EFFICIENT PRODUCTS |
| Maximum Discharge Flow Rate | 2.2 GALLONS PER MINUTE |
| Intake Connection Quantity | 1 |
| Media for Which Designed | HYDROCHLORIC ACID AND WATER, SALT |
| Current Rating in Amps | 0.8 |
| 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 |
|---|---|
| 12711-51P PRIMARY | Walchem Corp (USA) |
NSN 4320-01-277-5455 is a Pump Unit,reciprocating, manufactured by Walchem Corp, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-277-5455 has 1 manufacturer part number on file: 12711-51P (Walchem Corp).
Key specifications for 12711-51P: Discharge Connection Quantity: 1; Phase: SINGLE; Pumping Element Type: DIAPHRAGM; Frequency in Hertz: 60.0. 12 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.