The Filter Assembly,fluid, cataloged under National Stock Number 4330-01-203-4257, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Donaldson Company, Inc.. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4330-01-203-4257 |
| Primary Part Number | 430621 |
| Item Name | Filter Assembly,fluid |
| FSC / FSG | 4330 / 43 — No Item Name Available |
| Manufacturer | Donaldson Company, Inc. |
| Status | CANCELLED |
| Mounting Type | THREADED HOLE HEAD |
| Features Provided | DIFFERENTIAL PRESSURE INDICATOR AND DRAIN PLUG |
| Filtering Element Quantity | 2 |
| Material | RESIN SYNTHETIC FILTERING MEDIUM |
| First Intake Connection Type | RECESSED FLANGE TOP |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Mounting Facility Nominal Thread Size | 0.500 INCHES IN |
| Specification/standard Data | 81349-MIL-F-24402D/SH/ GOVERNMENT SPECIFICATION |
| First Intake Flange Length | 6.060 INCHES NOMINAL IN |
| First Intake Flange Recess Diameter | 2.125 INCHES NOMINAL IN |
| First Intake Flange Width | 18.000 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW |
| First Intake Flange Recess Depth | 0.305 INCHES NOMINAL IN |
| First Intake Flange Face Style | RECESSED |
| First Intake Flange Shape Style | RECTANGULAR W/THREADED BOLT HOLES |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Second Discharge Connection Relationship to Preceding Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| First Intake Flange Thickness | 7.940 INCHES NOMINAL IN |
| Unit Quantity | 2 |
| Mounting Hole Quantity | 4 |
| Drop Pressure | ERR-060 |
| Material | RUBBER SYNTHETIC SEAL |
| Distance Between Mounting Hole Centers | 4.000 INCHES NOMINAL IN |
| Design Type | REUSABLE |
| Material | ALUMINUM ALLOY OR COPPER ALLOY OR STEEL CORROSION RESISTING BODY |
| Mounting Facility Thread Series Designator | UNF |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 430621 | Donaldson Company, Inc. (USA) |
| 428980 | Donaldson Company, Inc. (USA) |
| M24402-2N-BF-3G | Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA) |
| WE0019524HNG | Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA) |
| M24402/2ND-G150 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M24402/2ND | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-F-24402 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-DTL-24402/2 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4330-01-203-4257 is a Filter Assembly,fluid, manufactured by Donaldson Company, Inc., classified under FSC 4330 (No Item Name Available). Status: cancelled.
NSN 4330-01-203-4257 has 8 cross-referenced part numbers: 430621 (Donaldson Company, Inc.), 428980 (Donaldson Company, Inc.), M24402-2N-BF-3G (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div), WE0019524HNG (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div), M24402/2ND-G150 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.
There are 12 known substitutes for 4330-01-203-4257: 4330-00-483-0952, 4330-00-483-0953, 4330-00-911-6596 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 430621: Mounting Type: THREADED HOLE HEAD; Features Provided: DIFFERENTIAL PRESSURE INDICATOR AND DRAIN PLUG; Filtering Element Quantity: 2; Material: RESIN SYNTHETIC FILTERING MEDIUM. 28 total characteristics are documented in the Federal Logistics Information System.
NSN 4330-01-203-4257 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.