The Pump,centrifugal, cataloged under National Stock Number 4320-01-237-9513, 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 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-237-9513 |
| Primary Part Number | RY-181185 |
| Item Name | Pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Centrifugal Pump Impeller Quantity | 1 |
| Operating Speed at Rated Capacity | 3600.0 REVOLUTIONS PER MINUTE |
| Maximum Discharge Flow Rate | 250.0 GALLONS PER MINUTE |
| Media for Which Designed | WATER, SALT |
| Total Head | 280.000 FEET FT |
| Reference Number Differentiating Characteristics | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION |
| 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 |
|---|---|
| RY-181185 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| RY-181185VM | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| RY-181185 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4320-01-237-9513 is a Pump,centrifugal, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-237-9513 has 2 manufacturer part numbers on file: RY-181185 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), RY-181185VM (Naval Inventory Control Point Mechanicsburg).
Key specifications for RY-181185: Centrifugal Pump Impeller Quantity: 1; Operating Speed at Rated Capacity: 3600.0 REVOLUTIONS PER MINUTE; Maximum Discharge Flow Rate: 250.0 GALLONS PER MINUTE; Media for Which Designed: WATER, SALT. 6 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.