The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-126-8481, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is General Signal Corp. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-126-8481 |
| Primary Part Number | 11CS166PC9 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | General Signal Corp |
| Status | ACTIVE |
| Keyway Width | 0.125 INCHES NOMINAL IN |
| Hub Quantity | 1 |
| Blade Quantity | 100 |
| Mounting Method | KEY AND SETSCREW |
| Overall Diameter | 4.438 INCHES MINIMUM AND 4.562 INCHES MAXIMUM IN |
| Design Type | DOUBLE WIDTH |
| Material | COPPER ALLOY |
| Hub Location | FRONT SIDE |
| Size Designator | 1/4-28UNF |
| Setscrew Quantity | 1 |
| Hub Length | 0.500 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Keyway Quantity | 1 |
| Keyway Type | RECTANGULAR |
| Keyway Depth | 0.062 INCHES NOMINAL IN |
| Hub Bore Diameter | 0.579 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN |
| Rotation Direction for Which Designed | CLOCKWISE OR COUNTERCLOCKWISE |
| Hub Projection Length Beyond Wheel Side | 0.500 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Keyway Length | 0.938 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Blade Type | STRAIGHT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 11CS166PC9 | General Signal Corp (USA) |
| 158 | General Signal Corp (USA) |
| 11CS166PC9 | Aurora Pump a Unit of General Signal Corp (USA) |
| M31513 | Clow Corp Waste Treatment Div (USA) |
| 9222PC9 | Clow Corp Waste Treatment Div (USA) |
| 11DSB4580PC9 | Aurora Pump a Unit of General Signal Corp (USA) |
| 158 | Aurora Pump a Unit of General Signal Corp (USA) |
| 14A4B | General Signal Corp (USA) |
| 444-0802-208 | Aurora Pump a Unit of General Signal Corp (USA) |
| 8961PC9 | Clow Corp Waste Treatment Div (USA) |
| 11-7-44 | Aurora Pump a Unit of General Signal Corp (USA) |
| 11DSB4580PC9 | General Signal Corp (USA) |
| 11-7-44 | General Signal Corp (USA) |
| 14A4B | Aurora Pump a Unit of General Signal Corp (USA) |
NSN 4320-00-126-8481 is a Impeller,pump,centrifugal, manufactured by General Signal Corp, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-126-8481 has 14 cross-referenced part numbers: 11CS166PC9 (General Signal Corp), 158 (General Signal Corp), 11CS166PC9 (Aurora Pump a Unit of General Signal Corp), M31513 (Clow Corp Waste Treatment Div), 9222PC9 (Clow Corp Waste Treatment Div) and 9 more.
There are 12 known substitutes for 4320-00-126-8481: 2910-00-019-7822, 5365-00-034-6405, 5365-00-065-4084 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 11CS166PC9: Keyway Width: 0.125 INCHES NOMINAL IN; Overall Width: 0.938 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Hub Quantity: 1; Blade Quantity: 100. 21 total characteristics are documented in the Federal Logistics Information System.