The Filter,fluid, cataloged under National Stock Number 4330-00-174-2984, 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 Mine Safety Appliances Company. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4330-00-174-2984 |
| Primary Part Number | 85759 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Mine Safety Appliances Company |
| Status | ACTIVE |
| Filtering Media Design | MOLDED SINGLE FILTERING MEDIA RESPONSE |
| Filtration Rating in Microns | 0.3 NOMINAL |
| First Intake Nominal Thread Size | 0.500 INCHES IN |
| First Intake Thread Series Designator | NPT |
| Design Type | REUSABLE |
| Body Outside Diameter | 4.000 INCHES NOMINAL IN |
| First Intake Thread Direction | RIGHT-HAND |
| First Intake Connection Type | THREADED INTERNAL PIPE HEAD SIDE |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | DRAIN COCK |
| Filtering Element Quantity | 1 |
| Body Length | 7.500 INCHES NOMINAL IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Material | STEEL SEDIMENT BOWL |
| Material | CELLULOSE FILTERING MEDIUM |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION LINE |
| 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 |
|---|---|
| 85759 PRIMARY | Mine Safety Appliances Company (USA) |
| Reference | Meaning |
|---|---|
| 15-85759-79030 | 5/9 Secondary reference Mine Safety Appliances Company |
NSN 4330-00-174-2984 is a Filter,fluid, manufactured by Mine Safety Appliances Company, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-00-174-2984 has 1 manufacturer part number on file: 85759 (Mine Safety Appliances Company).
1 possible match (shared part number, not a government interchangeability claim): 4330-01-249-2909. Verify interchangeability with system specifications before substitution.
Key specifications for 85759: Filtering Media Design: MOLDED SINGLE FILTERING MEDIA RESPONSE; Filtration Rating in Microns: 0.3 NOMINAL; First Intake Nominal Thread Size: 0.500 INCHES IN; First Intake Thread Series Designator: NPT. 16 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.