The Pump,rotary, cataloged under National Stock Number 4320-01-184-2399, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 2 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 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 | 4320-01-184-2399 |
| Primary Part Number | 23005921 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Discharge Pressure | 80.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Maximum Discharge Flow Rate | 18.3 GALLONS PER MINUTE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 23005921 PRIMARY | Rolls-Royce Corporation (USA) |
NSN 4320-01-184-2399 is a Pump,rotary, manufactured by Rolls-Royce Corporation, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-184-2399 has 1 manufacturer part number on file: 23005921 (Rolls-Royce Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-518-3986. Verify interchangeability with system specifications before substitution.
Key specifications for 23005921: Discharge Pressure: 80.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES; Maximum Discharge Flow Rate: 18.3 GALLONS PER MINUTE. 2 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 4320-01-184-2399 has DEMIL Code Q. 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.