The Pump Unit,rotary, cataloged under National Stock Number 4320-01-232-2439, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-232-2439 |
| Primary Part Number | 8385907 |
| Item Name | Pump Unit,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc |
| Status | ACTIVE |
| Operating Speed at Rated Capacity | 1200.0 REVOLUTIONS PER MINUTE |
| Maximum Discharge Flow Rate | 4.0 GALLONS PER MINUTE |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| 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 |
|---|---|
| 8385907 PRIMARY | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA) |
| Reference | Meaning |
|---|---|
| 8385907 | 3/9 Design control — primary reference General Motors Corp Electro-Motive Div |
NSN 4320-01-232-2439 is a Pump Unit,rotary, manufactured by Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-232-2439 has 1 manufacturer part number on file: 8385907 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-698-9149. Verify interchangeability with system specifications before substitution.
Key specifications for 8385907: Operating Speed at Rated Capacity: 1200.0 REVOLUTIONS PER MINUTE; Maximum Discharge Flow Rate: 4.0 GALLONS PER MINUTE; Media for Which Designed: HYDROCARBON FUELS AND OILS. 3 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.