The Impeller Assembly, cataloged under National Stock Number 4320-01-134-3658, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-134-3658 |
| Primary Part Number | A666 |
| Item Name | Impeller Assembly |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF 3 COMPONENTS;IMPELLER FACE 1,NICKEL COPPER ALLOY PER QQ-N-288;IMPELLER BACK 1,NICKEL COPPER ALLOY PER QQ-N-288;RIVETS 20,1/4 X 1 1/4 LG,90 DEGREE COUNTERSUNK HEAD; MODEL 2-2CVN-13 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 999R0317 PC41 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| A666 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| 999R0317 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4320-01-134-3658 is a Impeller Assembly, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-01-134-3658 has 3 cross-referenced part numbers: 999R0317 PC41 (Circor Naval Solutions Llc Dba Warren Pumps), A666 (Circor Naval Solutions Llc Dba Warren Pumps), 999R0317 (Circor Naval Solutions Llc Dba Warren Pumps).
There are 5 known substitutes for 4320-01-134-3658: 5915-00-271-2321, 4730-00-540-1525, 5950-01-126-2684 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for A666: General Characteristics Item Description: CONSISTS OF 3 COMPONENTS;IMPELLER FACE 1,NICKEL COPPER ALLOY PER QQ-N-288;IMPELLER BACK 1,NICKEL COPPER ALLOY PER QQ-N-288;RIVETS 20,1/4 X 1 1/4 LG,90 DEGREE COUNTERSUNK HEAD; MODEL 2-2CVN-13. 1 total characteristics are documented in the Federal Logistics Information System.