The Filter,fluid, cataloged under National Stock Number 4330-01-439-6167, 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 Hydac Corp. Government technical data includes 28 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-439-6167 |
| Primary Part Number | RFP/HC660DN10B1.0/16V |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Hydac Corp |
| Status | ACTIVE |
| Filtering Media Design | PLEATED SINGLE FILTERING MEDIA RESPONSE |
| First Discharge Connection Type | THREADED INTERNAL PIPE BOTTOM |
| Mounting Hole Quantity | 4 |
| Filtration Rating in Microns | 10.0 NOMINAL |
| Distance Between Mounting Hole Centers | 6.540 INCHES NOMINAL IN |
| Drop Pressure | ERR-060 |
| Design Type | REUSABLE |
| Body Outside Diameter | 8.190 INCHES NOMINAL IN |
| Temp Rating | 15.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF |
| Body Height | 16.610 INCHES NOMINAL IN |
| First Intake Connection Type | PLAIN FACE FLANGE SIDE NEAR TOP |
| Style Designator | ELL TYPE (HYDRAULIC) |
| Mounting Hole Diameter | 0.551 INCHES NOMINAL IN |
| Operating Pressure | 360.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | BY-PASS VALVE AND DIFFERENTIAL PRESSURE INDICATOR |
| First Intake Flange Shape Style | HEXAGON W/THREADED BOLT HOLES |
| Filtering Element Quantity | 1 |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Connection Relationship to Intake Connection | NOT IDENTICAL |
| Differential Pressure | ERR-060 |
| Second Discharge Thread Series Designator | NPT |
| Second Discharge Thread Direction | RIGHT-HAND |
| Second Discharge Nominal Thread Size | 3.000 INCHES IN |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| Material | PAPER FILTERING MEDIUM |
| Mounting Type | UNTHREADED HOLE CENTER |
| First Intake Flange Face Style | PLAIN |
| 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 |
|---|---|
| RFP/HC660DN10B1.0/16V PRIMARY | Hydac Corp (USA) |
| Reference | Meaning |
|---|---|
| 6139171 | D/9 Drawing number reference only U.S. Government activity |
| RFP660F108B5V | 5/9 Secondary reference Hydac Corp |
| RFP660F108V5 | C/1 Advisory reference — outside the item-of-supply concept Hydac Corp |
| 6139171 FIND 13 | 5/2 Secondary reference U.S. Government activity |
NSN 4330-01-439-6167 is a Filter,fluid, manufactured by Hydac Corp, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-439-6167 has 1 manufacturer part number on file: RFP/HC660DN10B1.0/16V (Hydac Corp).
Key specifications for RFP/HC660DN10B1.0/16V: Filtering Media Design: PLEATED SINGLE FILTERING MEDIA RESPONSE; First Discharge Connection Type: THREADED INTERNAL PIPE BOTTOM; Mounting Hole Quantity: 4; Filtration Rating in Microns: 10.0 NOMINAL. 28 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.