The Filter,fluid, cataloged under National Stock Number 4330-01-139-1925, 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 Corp Sub of Pall Corp Mectron Industries Div. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-139-1925 |
| Primary Part Number | AH-9500-A24-UPTBP |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
| Status | ACTIVE |
| First Discharge Thread Class | 2B |
| Filtering Media Design | PLEATED SINGLE FILTERING MEDIA RESPONSE |
| First Discharge Connection Type | THREADED INTERNAL TUBE TOP |
| Mounting Hole Quantity | 4 |
| Filtration Rating in Microns | 3.0 ABSOLUTE AND 0.45 NOMINAL |
| First Discharge Thread Quantity Per Inch | 12 |
| Distance Between Mounting Hole Centers | 5.422 INCHES MINIMUM AND 5.452 INCHES MAXIMUM IN |
| First Intake Nominal Thread Size | 1.875 INCHES IN |
| Mounting Facility Nominal Thread Size | 0.312 INCHES IN |
| Drop Pressure | ERR-060 |
| First Intake Thread Series Designator | UN |
| Design Type | REUSABLE |
| Body Outside Diameter | 6.300 INCHES MINIMUM AND 6.720 INCHES MAXIMUM IN |
| Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 225.0 FAHRENHEIT MAXIMUM DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Body Height | 22.640 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL TUBE HEAD SIDE |
| First Intake Thread Class | 2B |
| Style Designator | HIGH PRESSURE THREADED BODY |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| First Discharge Nominal Thread Size | 1.875 INCHES IN |
| Features Provided | BY-PASS VALVE AND DIFFERENTIAL PRESSURE INDICATOR |
| Filtering Element Quantity | 1 |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Thread Direction | RIGHT-HAND |
| First Discharge Connection Relationship to Intake Connection | NOT IDENTICAL |
| Differential Pressure | ERR-060 |
| Surface Treatment | ANODIZE BODY |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| 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 |
|---|---|
| AH-9500-A24-UPTBP PRIMARY | Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA) |
| HH-9660-A24-KPTBP PRIMARY | Pall Aeropower Corporation (USA) |
| Reference | Meaning |
|---|---|
| HH-9430-K24-UPT | C/1 Advisory reference — outside the item-of-supply concept Pall Corp Div Pall Corporation |
| HH-9400-K24-UPT | C/1 Advisory reference — outside the item-of-supply concept Pall Corp Div Pall Corporation |
| HH-9660-A24-UPTBP | 5/9 Secondary reference Pall Corp Div Pall Corporation |
| HH-9430-A24-UPTBP | 5/9 Secondary reference Pall Corp Div Pall Corporation |
NSN 4330-01-139-1925 is a Filter,fluid, manufactured by Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-139-1925 has 2 manufacturer part numbers on file: AH-9500-A24-UPTBP (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div), HH-9660-A24-KPTBP (Pall Aeropower Corporation).
Key specifications for AH-9500-A24-UPTBP: First Discharge Thread Class: 2B; Filtering Media Design: PLEATED SINGLE FILTERING MEDIA RESPONSE; First Discharge Connection Type: THREADED INTERNAL TUBE TOP; Mounting Hole Quantity: 4. 29 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.