The Filter,fluid, cataloged under National Stock Number 4330-01-383-5221, 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 Schroeder Industries Llc. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4330-01-383-5221 |
| Primary Part Number | DF-30-1C25-P-MS |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Schroeder Industries Llc |
| Status | ACTIVE |
| Filtration Rating in Microns | 25.0 NOMINAL |
| First Intake Nominal Thread Size | 1.000 INCHES IN |
| First Intake Thread Series Designator | NPT |
| Design Type | REUSABLE |
| Body Outside Diameter | 3.500 INCHES NOMINAL IN |
| Temp Rating | 225.0 FAHRENHEIT NOMINAL DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Body Height | 9.590 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL PIPE TOP SIDE |
| Style Designator | UNTHREADED SHELL |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Filtering Element Quantity | 1 |
| Filtering System for Which Designed | BY-PASS FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Material | ALUMINUM AND STEEL CONTAINER/CARTRIDGE |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION TOP SIDE |
| 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 |
|---|---|
| DF-30-1C25-P-MS PRIMARY | Schroeder Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| D-5611 | D/9 Drawing number reference only Schroeder Industries Llc |
NSN 4330-01-383-5221 is a Filter,fluid, manufactured by Schroeder Industries Llc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-383-5221 has 1 manufacturer part number on file: DF-30-1C25-P-MS (Schroeder Industries Llc).
Key specifications for DF-30-1C25-P-MS: Filtration Rating in Microns: 25.0 NOMINAL; First Intake Nominal Thread Size: 1.000 INCHES IN; First Intake Thread Series Designator: NPT; Design Type: REUSABLE. 17 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.