The Filter,fluid, cataloged under National Stock Number 4330-01-198-8734, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4330-01-198-8734 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Status | ACTIVE |
| Filtering Media Design | SINTERED SINGLE FILTERING MEDIA RESPONSE |
| First Discharge Connection Type | THREADED INTERNAL PIPE BOTTOM |
| Filtration Rating in Microns | 10.0 NOMINAL |
| First Intake Nominal Thread Size | 0.250 INCHES IN |
| First Intake Thread Series Designator | NPT |
| Design Type | REUSABLE |
| Body Outside Diameter | 4.000 INCHES NOMINAL IN |
| Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 500.0 FAHRENHEIT MAXIMUM DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| First Intake Connection Type | THREADED INTERNAL PIPE SIDE NEAR TOP |
| Style Designator | INLINE (HYDRAULIC) |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| First Discharge Nominal Thread Size | 0.250 INCHES IN |
| Filtering Element Quantity | 1 |
| Body Length | 16.500 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Thread Direction | RIGHT-HAND |
| First Discharge Connection Relationship to Intake Connection | NOT IDENTICAL |
| Surface Treatment | CADMIUM AND NICKEL BODY |
| Media for Which Designed | AIR AND NITROGEN, GASEOUS AND OXYGEN, GASEOUS |
| Bracket Quantity | 2 |
| Material | STEEL BODY |
| Material | COPPER ALLOY FILTERING MEDIUM |
| Mounting Type | BRACKET BOTTOM SIDE |
| Mounting Type | BRACKET TOP SIDE |
| First Discharge Thread Series Designator | NPT |
| 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 |
|---|---|
| F-6000 | 3/9 Design control — primary reference Air Dry Co of America, Llc |
| F-6000 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4330-01-198-8734 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): 5340-01-578-0742. Verify interchangeability with system specifications before substitution.
Key specifications for 4330-01-198-8734: Filtering Media Design: SINTERED SINGLE FILTERING MEDIA RESPONSE; First Discharge Connection Type: THREADED INTERNAL PIPE BOTTOM; Filtration Rating in Microns: 10.0 NOMINAL; First Intake Nominal Thread Size: 0.250 INCHES IN. 26 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.