The Filter,fluid, cataloged under National Stock Number 4330-01-339-7970, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4330-01-339-7970 |
| Primary Part Number | KF30-2K10-S-D |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Schroeder Industries Llc |
| Status | ACTIVE |
| Filtering Media Design | PLEATED ALL FILTERING MEDIA RESPONSES |
| Mounting Hole Quantity | 4 |
| Filtration Rating in Microns | 10.0 NOMINAL |
| Distance From Bottom of Body to Center of Inlet | 1.250 INCHES NOMINAL IN |
| Distance Between Mounting Hole Centers | 4.500 INCHES NOMINAL AND 5.000 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 1.875 INCHES IN |
| First Intake Thread Series Designator | UN |
| Design Type | NONREUSABLE |
| Body Outside Diameter | 6.250 INCHES NOMINAL IN |
| Temp Rating | 300.0 FAHRENHEIT MAXIMUM DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Body Height | 25.000 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL PIPE HEAD SIDE |
| First Intake Thread Class | 2B |
| Style Designator | HIGH PRESSURE THREADED BODY |
| Mounting Hole Diameter | 0.562 INCHES NOMINAL IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | DRAIN PLUG AND BY-PASS VALVE AND AIR BLEED VALVE |
| Filtering Element Quantity | 2 |
| Filtering System for Which Designed | BY-PASS FLOW OR 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 | CELLULOSE AND RESIN SYNTHETIC FILTERING MEDIUM |
| Material | RUBBER BUNA N SEAL |
| Material | STEEL CONTAINER/CARTRIDGE |
| First Intake Thread Quantity Per Inch | 12 |
| Mounting Type | UNTHREADED HOLE HEAD |
| 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 |
|---|---|
| KF30-2K10-S-D PRIMARY | Schroeder Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| D-5590 | 5/9 Secondary reference Schroeder Industries Llc |
NSN 4330-01-339-7970 is a Filter,fluid, manufactured by Schroeder Industries Llc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-339-7970 has 1 manufacturer part number on file: KF30-2K10-S-D (Schroeder Industries Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4330-01-346-4728, 4330-01-517-1414. Verify interchangeability with system specifications before substitution.
Key specifications for KF30-2K10-S-D: Filtering Media Design: PLEATED ALL FILTERING MEDIA RESPONSES; Mounting Hole Quantity: 4; Filtration Rating in Microns: 10.0 NOMINAL; Distance From Bottom of Body to Center of Inlet: 1.250 INCHES NOMINAL 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.