The Pump,reciprocating, cataloged under National Stock Number 4320-01-679-2758, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Warren Rupp, Inc. Government technical data includes 9 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 | 4320-01-679-2758 |
| Primary Part Number | E4SA2R220 ATEX |
| Item Name | Pump,reciprocating |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Warren Rupp, Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pumping Element Type | DIAPHRAGM |
| Intake Connection Type | THREADED INTERNAL |
| Pumping Element Operating Position | VERTICAL |
| Discharge Connection Thread Size and Series/type Designator | 1.250 NPT |
| Intake Connection Thread Size and Series/type Designator | 1.500 NPT |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Media for Which Designed | OIL AND FUEL |
| 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 |
|---|---|
| E4SA2R220 ATEX PRIMARY | Warren Rupp, Inc (USA) |
NSN 4320-01-679-2758 is a Pump,reciprocating, manufactured by Warren Rupp, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-679-2758 has 1 manufacturer part number on file: E4SA2R220 ATEX (Warren Rupp, Inc).
Key specifications for E4SA2R220 ATEX: Discharge Connection Quantity: 1; Pumping Element Type: DIAPHRAGM; Intake Connection Type: THREADED INTERNAL; Pumping Element Operating Position: VERTICAL. 9 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.