The Filter,fluid, cataloged under National Stock Number 4330-01-373-2791, 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 David Brown Hydraulics Inc Dba Hydreco. Government technical data includes 27 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-373-2791 |
| Primary Part Number | FH100B3F1 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | David Brown Hydraulics Inc Dba Hydreco |
| Status | ACTIVE |
| Filtering Media Design | LAYERED SINGLE FILTERING MEDIA RESPONSE |
| Mounting Hole Quantity | 6 |
| Filtration Rating in Microns | 3.00 ABSOLUTE AND 5.00 NOMINAL |
| Distance Between Mounting Hole Centers | 1.970 INCHES NOMINAL AND 2.200 INCHES NOMINAL IN |
| Mounting Facility Nominal Thread Size | 0.375 INCHES IN |
| Design Type | REUSABLE |
| Body Outside Diameter | 6.100 INCHES NOMINAL IN |
| Body Height | 15.030 INCHES NOMINAL IN |
| Supplementary Features | NORMAL FLOW (WITHOUT REVERSE FLOW FEATURE) |
| First Intake Connection Type | RAISED FACE FLANGE HEAD SIDE |
| Style Designator | HIGH PRESSURE THREADED BODY |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | DIFFERENTIAL PRESSURE INDICATOR AND BY-PASS VALVE |
| First Intake Flange Shape Style | RECTANGULAR W/THREADED BOLT HOLES |
| 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 | STEEL BODY |
| Material | RUBBER BUNA N SEAL |
| Material | GLASS FILTERING MEDIUM |
| Mounting Facility Thread Direction | RIGHT-HAND |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION HEAD SIDE |
| Mounting Type | THREADED HOLE TOP |
| First Intake Flange Face Style | RAISED |
| 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 |
|---|---|
| FH100B3F1 | David Brown Hydraulics Inc Dba Hydreco (USA) |
| Reference | Meaning |
|---|---|
| 374A-2N50-TL205 | 5/9 Secondary reference Parker Hannifin Corporation Div Hydraulic Filter Division, Fairey Arlon Operations |
| 374A-9N50-TL222 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division |
| 374A-9N50-TL222 | 3/9 Design control — primary reference Parker Hannifin Corporation Div Hydraulic Filter Division, Fairey Arlon Operations |
NSN 4330-01-373-2791 is a Filter,fluid, manufactured by David Brown Hydraulics Inc Dba Hydreco, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-373-2791 has 1 manufacturer part number on file: FH100B3F1 (David Brown Hydraulics Inc Dba Hydreco).
Key specifications for FH100B3F1: Filtering Media Design: LAYERED SINGLE FILTERING MEDIA RESPONSE; Mounting Hole Quantity: 6; Filtration Rating in Microns: 3.00 ABSOLUTE AND 5.00 NOMINAL; Distance Between Mounting Hole Centers: 1.970 INCHES NOMINAL AND 2.200 INCHES NOMINAL IN. 27 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.