The Pump,rotary, cataloged under National Stock Number 4320-01-155-3935, 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 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-155-3935 |
| Primary Part Number | 8449658 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | SQUARE FLANGE |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Shaft Length | 1.568 INCHES NOMINAL IN |
| Drive Connection Type | CLOSE COUPLED |
| Operating Speed at Rated Capacity | 750.0 REVOLUTIONS PER MINUTE |
| Drive Shaft Type | WOODRUFF KEYWAY |
| Discharge Pressure | 7.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES AND 1.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME |
| Maximum Discharge Flow Rate | 140.0 GALLONS PER MINUTE |
| Drive Shaft End Diameter | 3.400 INCHES NOMINAL IN |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | SQUARE FLANGE |
| Media for Which Designed | OIL |
| Pump Rotation Direction | CLOCKWISE |
| Operation Method | POWERED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8449658 PRIMARY | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA) |
| 8449658-MP | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA) |
NSN 4320-01-155-3935 is a Pump,rotary, manufactured by Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-155-3935 has 2 manufacturer part numbers on file: 8449658 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc), 8449658-MP (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc).
Key specifications for 8449658: Discharge Connection Quantity: 1; Intake Connection Type: SQUARE FLANGE; Pumping Element Operating Position: HORIZONTAL; Drive Shaft Length: 1.568 INCHES NOMINAL IN. 15 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.
NSN 4320-01-155-3935 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.