The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-258-2785, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Air & Liquid Systems Corporation Dba Buffalo Pumps. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-258-2785 |
| Primary Part Number | CA8815-5-1 7.75 IN |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Air & Liquid Systems Corporation Dba Buffalo Pumps |
| Status | ACTIVE |
| Blade Type | FORWARD CURVE |
| Hub Length | 2.312 INCHES NOMINAL IN |
| Mounting Method | KEY AND THREAD |
| Material | COPPER ALLOY |
| Hub Quantity | 1 |
| Hub Bore Diameter | 1.375 INCHES NOMINAL IN |
| Blade Quantity | 5 |
| Keyway Type | RECTANGULAR |
| Keyway Length | 2.312 INCHES NOMINAL IN |
| Keyway Quantity | 1 |
| Overall Diameter | 7.750 INCHES NOMINAL IN |
| Thread Quantity | 16 PER INCH |
| Hub Projection Length Beyond Wheel Side | 0.500 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Keyway Width | 0.188 INCHES NOMINAL IN |
| Thread Diameter | 0.375 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Hub Location | BACK SIDE |
| Keyway Depth | 0.109 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| CA8815-5-1 7.75 IN PRIMARY | Air & Liquid Systems Corporation Dba Buffalo Pumps (USA) |
| CA8815-5-7.75IN-GN | Air & Liquid Systems Corporation Dba Buffalo Pumps (USA) |
| CA8815-5 | Air & Liquid Systems Corporation Dba Buffalo Pumps (USA) |
| CA8815-5-7.75IN | Air & Liquid Systems Corporation Dba Buffalo Pumps (USA) |
NSN 4320-01-258-2785 is a Impeller,pump,centrifugal, manufactured by Air & Liquid Systems Corporation Dba Buffalo Pumps, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-01-258-2785 has 4 cross-referenced part numbers: CA8815-5-1 7.75 IN (Air & Liquid Systems Corporation Dba Buffalo Pumps), CA8815-5-7.75IN-GN (Air & Liquid Systems Corporation Dba Buffalo Pumps), CA8815-5 (Air & Liquid Systems Corporation Dba Buffalo Pumps), CA8815-5-7.75IN (Air & Liquid Systems Corporation Dba Buffalo Pumps).
There is 1 known substitute for 4320-01-258-2785: 4320-00-974-7261. Verify interchangeability with system specifications before substitution.
Key specifications for CA8815-5-1 7.75 IN: Blade Type: FORWARD CURVE; Hub Length: 2.312 INCHES NOMINAL IN; Mounting Method: KEY AND THREAD; Material: COPPER ALLOY. 22 total characteristics are documented in the Federal Logistics Information System.