The Filter,fluid, cataloged under National Stock Number 4330-01-384-0890, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-384-0890 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Status | ACTIVE |
| Second Discharge Connection Relationship to Preceding Connection | IDENTICAL TO FIRST DISCHARGE CONNECTION |
| Distance Between Mounting Hole Centers | 2.530 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 0.250 INCHES IN |
| First Intake Thread Series Designator | NPTF |
| Design Type | REUSABLE |
| First Discharge Nominal Inside Diameter | 0.250 INCHES IN |
| First Intake Thread Direction | RIGHT-HAND |
| Body Width | 3.060 INCHES NOMINAL IN |
| Body Height | 7.160 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL PIPE TOP |
| Style Designator | UNTHREADED SHELL W/SELECTIVE FLOW |
| First Discharge Nominal Thread Size | 0.250 INCHES IN |
| Filtering Element Quantity | 1 |
| Body Length | 4.000 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Thread Direction | RIGHT-HAND |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Bracket Quantity | 1 |
| Material | STEEL BODY |
| Mounting Type | BRACKET TOP |
| First Discharge Thread Series Designator | NPTF |
| Second Intake Connection Relationship to First Intake Connection | IDENTICAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 29586 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4330-01-384-0890 is a Filter,fluid, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3450-01-449-7206. Verify interchangeability with system specifications before substitution.
Key specifications for 4330-01-384-0890: Second Discharge Connection Relationship to Preceding Connection: IDENTICAL TO FIRST DISCHARGE CONNECTION; Distance Between Mounting Hole Centers: 2.530 INCHES NOMINAL IN; First Intake Nominal Thread Size: 0.250 INCHES IN; First Intake Thread Series Designator: NPTF. 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.