The Pump,rotary, cataloged under National Stock Number 4320-01-441-3704, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-441-3704 |
| Primary Part Number | 878121 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | ROUND FLANGE |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Connection Type | GEAR |
| Operating Speed at Rated Capacity | 1740.0 REVOLUTIONS PER MINUTE |
| Discharge Pressure | 0.0 LIGHT COMMERCIAL HEATING AND COOLING - ENERGY STAR-HEATING AND COOLING - ENERGY EFFICIENT PRODUCTS |
| Maximum Discharge Flow Rate | 15.0 GALLONS PER MINUTE |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | ROUND FLANGE |
| Intake Connection Quantity | 1 |
| Pump Rotation Direction | CLOCKWISE |
| Mounting Type | BASE |
| Operation Method | POWERED |
| 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 |
|---|---|
| 878121 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 3GAUFTM 878121 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| C00268 | 5/1 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 3GAUFTM 878121 | 5/9 Secondary reference U.S. Government activity |
| 878121 | 3/9 Design control — primary reference U.S. Government activity |
| C00268 | 5/9 Secondary reference U.S. Government activity |
NSN 4320-01-441-3704 is a Pump,rotary, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-441-3704 has 2 manufacturer part numbers on file: 878121 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 3GAUFTM 878121 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
4 possible matches (shared part number, not a government interchangeability claim): 4320-01-441-3728, 4320-01-441-3734, 4320-01-442-5015. Verify interchangeability with system specifications before substitution.
Key specifications for 878121: Discharge Connection Quantity: 1; Intake Connection Type: ROUND FLANGE; Pumping Element Operating Position: HORIZONTAL; Drive Connection Type: GEAR. 13 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.