The Filter,fluid, cataloged under National Stock Number 4330-01-264-9531, 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 Pti Technologies Inc.. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4330-01-264-9531 |
| Primary Part Number | F4E-050-CC-BF-53NR |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pti Technologies Inc. |
| Status | ACTIVE |
| Filtering Media Design | POROUS SINGLE FILTERING MEDIA RESPONSE |
| Filtration Rating in Microns | 10.0 NOMINAL |
| First Intake Nominal Thread Size | 1.250 INCHES IN |
| First Intake Thread Series Designator | NPT |
| Design Type | REUSABLE |
| Body Outside Diameter | 5.450 INCHES NOMINAL IN |
| First Intake Thread Direction | RIGHT-HAND |
| Body Height | 9.130 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL PIPE HEAD SIDE |
| Style Designator | HIGH PRESSURE THREADED BODY |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | DIFFERENTIAL PRESSURE INDICATOR |
| 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 | FUEL/OIL, HYDROCARBON |
| Material | RUBBER BUNA N SEAL |
| Material | METAL BODY |
| 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 |
|---|---|
| F4E-050-CC-BF-53NR PRIMARY | Pti Technologies Inc. (USA) |
| CFRS-50-20N-10N-A-D | Pti Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| CFRS-50-20N-10N-A-D-M-NB | 5/9 Secondary reference Pti Technologies Inc. |
NSN 4330-01-264-9531 is a Filter,fluid, manufactured by Pti Technologies Inc., classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-264-9531 has 2 manufacturer part numbers on file: F4E-050-CC-BF-53NR (Pti Technologies Inc.), CFRS-50-20N-10N-A-D (Pti Technologies Inc.).
Key specifications for F4E-050-CC-BF-53NR: Filtering Media Design: POROUS SINGLE FILTERING MEDIA RESPONSE; Filtration Rating in Microns: 10.0 NOMINAL; First Intake Nominal Thread Size: 1.250 INCHES IN; First Intake Thread Series Designator: NPT. 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.