The Pump,centrifugal, cataloged under National Stock Number 4320-00-366-1173, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-00-366-1173 |
| Primary Part Number | 40004237 |
| Item Name | Pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc |
| Status | ACTIVE |
| Pumping Element Operating Position | HORIZONTAL |
| Centrifugal Pump Impeller Suction Type | SINGLE |
| Stage Quantity | 1 |
| 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 |
|---|---|
| 8348618 | Hatch & Kirk, Inc. (USA) |
| 40004237 PRIMARY | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA) |
| Reference | Meaning |
|---|---|
| 40004237 | 5/9 Secondary reference Hatch & Kirk, Inc. |
| 8058625 | 3/9 Design control — primary reference General Motors Corp Electro-Motive Div |
| 4004237 | 5/9 Secondary reference Hatch & Kirk, Inc. |
| 8058625 | 5/9 Secondary reference Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc |
| 8058625 | 5/9 Secondary reference General Motors Corp |
| 40004237 | C/1 Advisory reference — outside the item-of-supply concept General Motors Corp Electro-Motive Div |
NSN 4320-00-366-1173 is a Pump,centrifugal, manufactured by Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-366-1173 has 2 manufacturer part numbers on file: 8348618 (Hatch & Kirk, Inc.), 40004237 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc).
2 possible matches (shared part number, not a government interchangeability claim): 2930-00-900-0535, 5340-01-223-4373. Verify interchangeability with system specifications before substitution.
Key specifications for 40004237: Pumping Element Operating Position: HORIZONTAL; Centrifugal Pump Impeller Suction Type: SINGLE; Stage Quantity: 1; Special Features: NOTE: PART NUMBER 8348618 AND 40004237 MUST BE SOLICITED TOGETHER.. 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.