The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-138-8746, 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 13 verified specifications, 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 | 4320-01-138-8746 |
| Primary Part Number | A697 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Rotation Direction for Which Designed | CLOCKWISE |
| Mounting Method | KEY |
| Hub Bore Diameter | 2.0000 INCHES MINIMUM AND 2.0005 INCHES MAXIMUM IN |
| Keyway Depth | 0.161 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| Overall Diameter | 9.500 INCHES NOMINAL IN |
| Keyway Type | STRAIGHT |
| Material | STEEL CORROSION RESISTING |
| Blade Quantity | 22 |
| Hub Quantity | 1 |
| Hub Location | CENTER OF MOUNTING FLANGE |
| Keyway Length | 1.560 INCHES MINIMUM AND 1.562 INCHES MAXIMUM IN |
| Keyway Width | 0.312 INCHES NOMINAL IN |
| Keyway Quantity | 1 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| PL999R0523PC17 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| 657C1310B478A | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| A697 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4320-01-138-8746 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 4320-01-138-8746 has 3 cross-referenced part numbers: PL999R0523PC17 (Circor Naval Solutions Llc Dba Warren Pumps), 657C1310B478A (Circor Naval Solutions Llc Dba Warren Pumps), A697 (Circor Naval Solutions Llc Dba Warren Pumps).
There are 5 known substitutes for 4320-01-138-8746: 5310-00-189-4396, 5330-00-251-3188, 5930-01-010-6616 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for A697: Rotation Direction for Which Designed: CLOCKWISE; Mounting Method: KEY; Hub Bore Diameter: 2.0000 INCHES MINIMUM AND 2.0005 INCHES MAXIMUM IN; Keyway Depth: 0.161 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.