The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-604-1987, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-604-1987 |
| Primary Part Number | A470 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Hub Length | 0.094 INCHES NOMINAL AND 0.375 INCHES NOMINAL IN |
| Keyway Length | 0.098 INCHES NOMINAL IN |
| Material | NICKEL ALLOY |
| Rotation Direction for Which Designed | CLOCKWISE |
| Mounting Method | KEY |
| Keyway Width | 0.187 INCHES NOMINAL IN |
| Keyway Type | STRAIGHT |
| Keyway Quantity | 1 |
| Hub Quantity | 2 |
| Material Document and Classification | QQ-N-288,COMP.A FED SPEC SINGLE MATERIAL RESPONSE |
| Overall Diameter | 6.000 INCHES NOMINAL IN |
| Blade Quantity | 5 |
| Hub Bore Diameter | 0.687 INCHES NOMINAL AND 2.500 INCHES NOMINAL IN |
| Hub Projection Length Beyond Wheel Side | 0.094 INCHES NOMINAL AND 0.625 INCHES NOMINAL IN |
| Hub Location | BACK SIDE AND FRONT SIDE |
| Design Type | SINGLE WIDTH |
| Keyway Depth | 1.375 INCHES NOMINAL IN |
| Blade Type | BACKWARD CURVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A470 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| PL999D0504PC32 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4320-00-604-1987 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 4320-00-604-1987 has 2 cross-referenced part numbers: A470 (Circor Naval Solutions Llc Dba Warren Pumps), PL999D0504PC32 (Circor Naval Solutions Llc Dba Warren Pumps).
There are 7 known substitutes for 4320-00-604-1987: 5950-00-001-1900, 2530-00-112-0015, 4820-00-181-9227 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for A470: Overall Width: 1.750 INCHES NOMINAL IN; Hub Length: 0.094 INCHES NOMINAL AND 0.375 INCHES NOMINAL IN; Keyway Length: 0.098 INCHES NOMINAL IN; Material: NICKEL ALLOY. 20 total characteristics are documented in the Federal Logistics Information System.