The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-221-5742, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-221-5742 |
| Primary Part Number | 657D1785B516A |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| Overall Diameter | 10.500 INCHES NOMINAL IN |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 657D1785 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| 657D1785-1050B516A | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| PL-999F0732 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| PL-999F0732 PC 33 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| 657D1785B516A PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4320-01-221-5742 is a Impeller,pump,centrifugal, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-01-221-5742 has 5 cross-referenced part numbers: 657D1785 (Circor Naval Solutions Llc Dba Warren Pumps), 657D1785-1050B516A (Circor Naval Solutions Llc Dba Warren Pumps), PL-999F0732 (Circor Naval Solutions Llc Dba Warren Pumps), PL-999F0732 PC 33 (Circor Naval Solutions Llc Dba Warren Pumps), 657D1785B516A (Circor Naval Solutions Llc Dba Warren Pumps).
There are 4 known substitutes for 4320-01-221-5742: 4320-01-220-9209, 4320-01-221-1566, 4320-01-221-1567 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 657D1785B516A: Material: STEEL CORROSION RESISTING; Overall Diameter: 10.500 INCHES NOMINAL IN; Rotation Direction for Which Designed: COUNTERCLOCKWISE. 3 total characteristics are documented in the Federal Logistics Information System.