The Filter,fluid, cataloged under National Stock Number 4330-01-357-2518, 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 29 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-357-2518 |
| Primary Part Number | HH9650K20RSSB3 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Filtering Media Design | PLEATED SINGLE FILTERING MEDIA RESPONSE |
| Mounting Hole Quantity | 4 |
| Filtration Rating in Microns | 12.0 ABSOLUTE |
| Distance Between Mounting Hole Centers | 3.438 INCHES MINIMUM AND 3.938 INCHES MAXIMUM IN |
| Mounting Facility Nominal Thread Size | 0.438 INCHES IN |
| Design Type | REUSABLE |
| Body Outside Diameter | 4.125 INCHES NOMINAL IN |
| First Intake Flange Thickness | 0.360 INCHES NOMINAL IN |
| First Intake Flange Width | 4.562 INCHES NOMINAL IN |
| First Intake Flange Length | 4.780 INCHES NOMINAL IN |
| Temp Rating | -45.0 FAHRENHEIT MINIMUM AND 225.0 FAHRENHEIT MAXIMUM DEGF |
| Body Height | 13.976 INCHES NOMINAL IN |
| First Intake Connection Type | PLAIN FACE FLANGE BOTTOM |
| Style Designator | UNTHREADED SHELL |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | BY-PASS VALVE AND DIFFERENTIAL PRESSURE INDICATOR |
| First Intake Flange Shape Style | RECTANGULAR W/THREADED BOLT HOLES |
| Filtering Element Quantity | 1 |
| First Intake Flange Recess Depth | 0.125 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 |
| Surface Treatment | PHOSPHATE AND OXIDE BODY |
| Media for Which Designed | FUEL/OIL, HYDROCARBON AND WATER/ALCOHOL MIXTURE |
| Mounting Facility Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | IRON BODY |
| Material | RUBBER BUNA N SEAL |
| Material | FIBER SYNTHETIC AND RESIN SYNTHETIC FILTERING MEDIUM |
| Mounting Facility Thread Direction | RIGHT-HAND |
| 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 |
|---|---|
| HH9650K20RSSB3 PRIMARY | Pall Aeropower Corporation (USA) |
| Reference | Meaning |
|---|---|
| HH9650K20KSSB3 | 5/9 Secondary reference Pall Aeropower Corporation |
| HH9650K20CSSB3 | 5/9 Secondary reference Pall Aeropower Corporation |
| HH9650K2KSSB3T | 5/9 Secondary reference Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
| HH9650K20KSSB3T | 5/9 Secondary reference Pall Aeropower Corporation |
| UH210K20AS08ZGV6 | 3/9 Design control — primary reference Pall Aeropower Corporation |
| HH9650K20KSSB3T | 5/9 Secondary reference Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
| HH9650K20KSSBPT | 5/9 Secondary reference Pall Aeropower Corporation |
| 1858652-2 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| HH9650K20CSSBPT | 5/9 Secondary reference Pall Aeropower Corporation |
NSN 4330-01-357-2518 is a Filter,fluid, manufactured by Pall Aeropower Corporation, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-357-2518 has 1 manufacturer part number on file: HH9650K20RSSB3 (Pall Aeropower Corporation).
Key specifications for HH9650K20RSSB3: Filtering Media Design: PLEATED SINGLE FILTERING MEDIA RESPONSE; Mounting Hole Quantity: 4; Filtration Rating in Microns: 12.0 ABSOLUTE; Distance Between Mounting Hole Centers: 3.438 INCHES MINIMUM AND 3.938 INCHES MAXIMUM IN. 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.