The Filter,fluid, cataloged under National Stock Number 4330-01-391-8316, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-391-8316 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Status | ACTIVE |
| Filtering Media Design | LAYERED SINGLE FILTERING MEDIA RESPONSE |
| Mounting Hole Quantity | 6 |
| Filtration Rating in Microns | 3.0 ABSOLUTE AND 0.5 NOMINAL |
| Distance Between Mounting Hole Centers | 2.200 INCHES NOMINAL AND 1.970 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 1.625 INCHES IN |
| Mounting Facility Nominal Thread Size | 0.375 INCHES IN |
| First Intake Thread Series Designator | UNF |
| Design Type | REUSABLE |
| Body Outside Diameter | 6.100 INCHES NOMINAL IN |
| First Intake Thread Direction | RIGHT-HAND |
| Body Height | 19.800 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL TUBE HEAD SIDE |
| First Intake Thread Class | 2A A |
| Style Designator | HIGH PRESSURE THREADED BODY |
| Features Provided | DIFFERENTIAL PRESSURE INDICATOR |
| 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 |
| Mounting Facility Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | RUBBER SYNTHETIC SEAL |
| Material | GLASS FIBER FILTERING MEDIUM |
| Mounting Facility Thread Direction | RIGHT-HAND |
| Mounting Type | THREADED HOLE TOP |
| 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 |
|---|---|
| 374A-5T50-SZ3FF | 3/9 Design control — primary reference Itt Industries Inc Systems Div |
NSN 4330-01-391-8316 is a Filter,fluid, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
Key specifications for 4330-01-391-8316: Filtering Media Design: LAYERED SINGLE FILTERING MEDIA RESPONSE; Mounting Hole Quantity: 6; Filtration Rating in Microns: 3.0 ABSOLUTE AND 0.5 NOMINAL; Distance Between Mounting Hole Centers: 2.200 INCHES NOMINAL AND 1.970 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.