The Filter,fluid, cataloged under National Stock Number 4330-01-438-6443, 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 Swagelok Co. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4330-01-438-6443 |
| Primary Part Number | SS-6F-40 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Filtration Rating in Microns | 40.0 NOMINAL |
| Design Type | REUSABLE |
| Body Outside Diameter | 1.000 INCHES NOMINAL IN |
| Temp Rating | 900.0 FAHRENHEIT MAXIMUM DEGF |
| First Intake Connection Type | UNTHREADED INTERNAL TUBE END |
| Style Designator | INLINE (HYDRAULIC) |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Filtering Element Quantity | 1 |
| Body Length | 3.219 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW |
| First Intake Nominal Inside Diameter | 0.375 INCHES IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Differential Pressure | ERR-060 |
| Media for Which Designed | ANY ACCEPTABLE |
| Material | STEEL COMP 316 BODY |
| Material | STEEL COMP 316 FILTERING MEDIUM |
| Material | STEEL COMP 316 SEAL |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4330-01-438-6443 is a Filter,fluid, manufactured by Swagelok Co, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-438-6443 has 2 manufacturer part numbers on file: SS-6F-40 (Scioto Valve & Fitting Co Dba Swagelok Columbus), SS-6F-40 (Swagelok Co).
Key specifications for SS-6F-40: Filtration Rating in Microns: 40.0 NOMINAL; Design Type: REUSABLE; Body Outside Diameter: 1.000 INCHES NOMINAL IN; Temp Rating: 900.0 FAHRENHEIT MAXIMUM DEGF. 18 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.