The Filter,fluid, cataloged under National Stock Number 4330-01-249-3890, 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 Alta Robbins, Inc. Dba Alta Robbins Inc. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-249-3890 |
| Primary Part Number | RAF-35BEF |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Alta Robbins, Inc. Dba Alta Robbins Inc |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Distance Between Mounting Hole Centers | 3.000 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 0.375 INCHES IN |
| First Intake Thread Series Designator | UNF |
| Design Type | REUSABLE |
| Body Outside Diameter | 3.820 INCHES NOMINAL IN |
| Temp Rating | 40.0 FAHRENHEIT NOMINAL AND 200.0 FAHRENHEIT MAXIMUM DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Body Height | 16.250 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL TUBE SIDE NEAR TOP |
| Style Designator | HIGH PRESSURE THREADED BODY |
| Mounting Hole Diameter | 0.370 INCHES NOMINAL IN |
| Operating Pressure | 3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Filtering Element Quantity | 1 |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | AIR OR GAS |
| Bracket Quantity | 1 |
| Material | ALUMINUM BODY |
| Mounting Type | BRACKET W/DRILLED HOLE BACK |
| 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 |
|---|---|
| RAF-35BEF PRIMARY | Alta Robbins, Inc. Dba Alta Robbins Inc (USA) |
| Reference | Meaning |
|---|---|
| RAF-35BEF | 5/9 Secondary reference Dynatech Frontier Corp Sub of Dynatech Corp |
NSN 4330-01-249-3890 is a Filter,fluid, manufactured by Alta Robbins, Inc. Dba Alta Robbins Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-249-3890 has 1 manufacturer part number on file: RAF-35BEF (Alta Robbins, Inc. Dba Alta Robbins Inc).
Key specifications for RAF-35BEF: Mounting Hole Quantity: 4; Distance Between Mounting Hole Centers: 3.000 INCHES NOMINAL IN; First Intake Nominal Thread Size: 0.375 INCHES IN; First Intake Thread Series Designator: UNF. 20 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.