The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-580-2568, 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 17 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-580-2568 |
| Primary Part Number | A278 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Keyway Length | 7.000 INCHES NOMINAL IN |
| Keyway Depth | 0.344 INCHES NOMINAL IN |
| Hub Quantity | 1 |
| Keyway Type | SQUARE |
| Material | NICKEL ALLOY |
| Blade Quantity | 6 |
| Hub Bore Diameter | 2.500 INCHES NOMINAL IN |
| Blade Type | STRAIGHT |
| Keyway Quantity | 1 |
| Mounting Method | KEY |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Hub Projection Length Beyond Wheel Side | 0.375 INCHES NOMINAL IN |
| Hub Location | SINGLE STRAIGHT |
| Hub Length | 7.000 INCHES NOMINAL IN |
| Overall Diameter | 22.875 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Keyway Width | 0.625 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| R311-4-2 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| R310-4-2 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| A278 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| R605PC4-2 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| R605-4-2 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4320-00-580-2568 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 4320-00-580-2568 has 5 cross-referenced part numbers: R311-4-2 (Circor Naval Solutions Llc Dba Warren Pumps), R310-4-2 (Circor Naval Solutions Llc Dba Warren Pumps), A278 (Circor Naval Solutions Llc Dba Warren Pumps), R605PC4-2 (Circor Naval Solutions Llc Dba Warren Pumps), R605-4-2 (Circor Naval Solutions Llc Dba Warren Pumps).
There are 7 known substitutes for 4320-00-580-2568: 5965-00-321-8456, 5905-00-789-5917, 5330-00-869-5002 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for A278: Keyway Length: 7.000 INCHES NOMINAL IN; Keyway Depth: 0.344 INCHES NOMINAL IN; Overall Width: 7.000 INCHES NOMINAL IN; Hub Quantity: 1. 18 total characteristics are documented in the Federal Logistics Information System.