The Filter,fluid, cataloged under National Stock Number 4330-01-291-1820, 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 Pneumatic Products Corp. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4330-01-291-1820 |
| Primary Part Number | MEC3003SU320 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pneumatic Products Corp |
| Status | ACTIVE |
| Filtering Media Design | PLEATED FIRST FILTERING MEDIA RESPONSE |
| Filtering Media Design | MOLDED SECOND FILTERING MEDIA RESPONSE |
| Filtration Rating in Microns | 0.9 ABSOLUTE |
| First Intake Nominal Thread Size | 2.000 INCHES IN |
| First Intake Thread Series Designator | NPT |
| Design Type | REUSABLE |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Body Width | 9.500 INCHES NOMINAL IN |
| Body Height | 21.000 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL PIPE BOTTOM SIDE |
| Style Designator | HIGH PRESSURE BOLTED SHELL |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | AIR BLEED VALVE AND DRAIN PLUG |
| Filtering Element Quantity | 3 |
| Body Length | 9.500 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | AIR |
| Material | STEEL BODY |
| Material | RUBBER BUNA N SEAL |
| Material | GLASS FIBER AND PLASTIC POLYURETHANE AND RESIN SYNTHETIC FILTERING MEDIUM |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION LINE |
| 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 |
|---|---|
| MEC3003SU320 PRIMARY | Pneumatic Products Corp (USA) |
| Reference | Meaning |
|---|---|
| MEC3003SU320 | C/1 Advisory reference — outside the item-of-supply concept Pall Corporation |
NSN 4330-01-291-1820 is a Filter,fluid, manufactured by Pneumatic Products Corp, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-291-1820 has 1 manufacturer part number on file: MEC3003SU320 (Pneumatic Products Corp).
Key specifications for MEC3003SU320: Filtering Media Design: PLEATED FIRST FILTERING MEDIA RESPONSE; Filtering Media Design: MOLDED SECOND FILTERING MEDIA RESPONSE; Filtration Rating in Microns: 0.9 ABSOLUTE; First Intake Nominal Thread Size: 2.000 INCHES IN. 23 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.