The Filter,fluid, cataloged under National Stock Number 4330-01-326-3123, 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 Corporation Div Pall Trincor. Government technical data includes 25 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-326-3123 |
| Primary Part Number | HH9650K16RSSS00002 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pall Corporation Div Pall Trincor |
| Status | ACTIVE |
| Filtering Media Design | WOVEN SINGLE FILTERING MEDIA RESPONSE |
| Filtration Rating in Microns | 12.0 ABSOLUTE |
| Design Type | REUSABLE |
| Body Outside Diameter | 4.780 INCHES NOMINAL IN |
| First Intake Flange Thickness | 0.360 INCHES NOMINAL IN |
| First Intake Flange Width | 4.592 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 | 13.975 INCHES NOMINAL IN |
| First Intake Connection Type | PLAIN FACE FLANGE BOTTOM |
| Style Designator | HIGH PRESSURE THREADED BODY |
| Operating Pressure | 150.0 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/UNTHREADED BOLT HOLES |
| Filtering Element Quantity | 1 |
| 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 | IRON BODY |
| Material | RUBBER BUNA N SEAL |
| Material | FIBER SYNTHETIC AND RESIN SYNTHETIC FILTERING MEDIUM |
| Material | IRON SEDIMENT BOWL |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION BOTTOM |
| First Intake Flange Face Style | PLAIN |
| 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 |
|---|---|
| HH9650K16RSSS00002 PRIMARY | Pall Corporation Div Pall Trincor (USA) |
| 1858652 ITEM 4 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| MOD HH9650K16DS | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| HH9650K16DSSBP | 5/9 Secondary reference Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
| 1858652 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
| HH9650K16USSBP | 5/9 Secondary reference Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
| HH9650K16KSSBPTY688 | 5/9 Secondary reference Pall Corporation Div Pall Trincor |
| 1858652-4 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| HH9650K16DSSBP | 5/9 Secondary reference Pall Aeropower Corporation |
| HH9650K16KSSS00002 | 5/9 Secondary reference Pall Corporation Div Pall Trincor |
NSN 4330-01-326-3123 is a Filter,fluid, manufactured by Pall Corporation Div Pall Trincor, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-326-3123 has 2 manufacturer part numbers on file: HH9650K16RSSS00002 (Pall Corporation Div Pall Trincor), 1858652 ITEM 4 (Northrop Grumman Systems Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 4330-01-326-3124, 2945-01-691-6111. Verify interchangeability with system specifications before substitution.
Key specifications for HH9650K16RSSS00002: Filtering Media Design: WOVEN SINGLE FILTERING MEDIA RESPONSE; Filtration Rating in Microns: 12.0 ABSOLUTE; Design Type: REUSABLE; Body Outside Diameter: 4.780 INCHES NOMINAL IN. 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.