The Filter,fluid, cataloged under National Stock Number 4330-01-213-1829, 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 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4330-01-213-1829 |
| Primary Part Number | 6311F4B |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| Status | ACTIVE |
| Filtration Rating in Microns | 5.0 NOMINAL |
| Design Type | REUSABLE |
| Body Outside Diameter | 0.750 INCHES NOMINAL IN |
| Temp Rating | -60.0 CELSIUS MINIMUM AND 450.0 CELSIUS MAXIMUM DEGC |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Body Length | 2.562 INCHES NOMINAL IN |
| Material | COPPER ALLOY OR STEEL CORROSION RESISTING BODY |
| 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 |
|---|---|
| 6311F4B PRIMARY | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| FS8904-1 | Mission Systems Orchard Park Inc (USA) |
| Reference | Meaning |
|---|---|
| 62-A-116-D159 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4330-01-213-1829 is a Filter,fluid, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-213-1829 has 2 manufacturer part numbers on file: 6311F4B (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), FS8904-1 (Mission Systems Orchard Park Inc).
Key specifications for 6311F4B: Filtration Rating in Microns: 5.0 NOMINAL; Design Type: REUSABLE; Body Outside Diameter: 0.750 INCHES NOMINAL IN; Temp Rating: -60.0 CELSIUS MINIMUM AND 450.0 CELSIUS MAXIMUM DEGC. 7 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.