The Filter,fluid, cataloged under National Stock Number 4330-01-417-2253, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Pall Aeropower Corporation. Government technical data includes 25 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-417-2253 |
| Primary Part Number | 24313B20AZ |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Filtering Media Design | SINTERED SINGLE FILTERING MEDIA RESPONSE |
| Filtration Rating in Microns | 45.0 ABSOLUTE AND 20.0 NOMINAL |
| First Intake Nominal Thread Size | 0.750 INCHES IN |
| Drop Pressure | 10.0 BATTERY PACK |
| First Intake Thread Series Designator | UNF |
| Design Type | REUSABLE |
| Body Outside Diameter | 1.375 INCHES NOMINAL IN |
| Temp Rating | -40.0 FAHRENHEIT MINIMUM AND 350.0 FAHRENHEIT MAXIMUM DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| First Intake Connection Type | THREADED INTERNAL TUBE CENTER |
| First Intake Thread Class | 3B |
| Style Designator | INLINE (HYDRAULIC) |
| Material Document and Classification | AISI TY 304 ASSN STD SINGLE MATERIAL RESPONSE FILTERING MEDIUM |
| Material Document and Classification | NAS 1596 NATIONAL SPEC SINGLE MATERIAL RESPONSE SEAL |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Filtering Element Quantity | 1 |
| Body Length | 4.600 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Differential Pressure | ERR-060 |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Material | STEEL COMP 304 FILTERING MEDIUM |
| Material | RUBBER SYNTHETIC SEAL |
| Material | ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 7075 BODY |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 24313B20AZ PRIMARY | Pall Aeropower Corporation (USA) |
| Reference | Meaning |
|---|---|
| 24313-B-20-AZ | 3/9 Design control — primary reference Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
NSN 4330-01-417-2253 is a Filter,fluid, manufactured by Pall Aeropower Corporation, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-417-2253 has 1 manufacturer part number on file: 24313B20AZ (Pall Aeropower Corporation).
Key specifications for 24313B20AZ: Filtering Media Design: SINTERED SINGLE FILTERING MEDIA RESPONSE; Filtration Rating in Microns: 45.0 ABSOLUTE AND 20.0 NOMINAL; First Intake Nominal Thread Size: 0.750 INCHES IN; Drop Pressure: 10.0 BATTERY PACK. 25 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.