The Filter Element,fluid, cataloged under National Stock Number 4330-01-371-4444, 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 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4330-01-371-4444 |
| Primary Part Number | SS-8F-K4-440 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Filtering Media Design | MESH SINGLE FILTERING MEDIA RESPONSE |
| Flow Direction | OUTSIDE IN |
| Design Type | LIMITED |
| Body Outside Diameter | 1.000 INCHES NOMINAL IN |
| Temp Rating | 900.0 FAHRENHEIT NOMINAL DEGF |
| Style Designator | INLINE DISPOSAL W/THREADED CONNECTIONS |
| Body Length | 3.500 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW |
| Differential Pressure | ERR-060 |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Material | STEEL CORROSION RESISTING FILTERING MEDIUM |
| Filtering Surface Area | 0.200 SQUARE FEET |
| 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 |
|---|---|
| SS-8F-K4-440 PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| SS-8F-F4-440 | 5/9 Secondary reference Nupro Co |
| SS-8F-P4-440 | C/1 Advisory reference — outside the item-of-supply concept Nupro Co |
| SS-8F-F4-440 | 3/9 Design control — primary reference Swagelok Co |
NSN 4330-01-371-4444 is a Filter Element,fluid, manufactured by Swagelok Co, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-371-4444 has 1 manufacturer part number on file: SS-8F-K4-440 (Swagelok Co).
Key specifications for SS-8F-K4-440: Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE; Flow Direction: OUTSIDE IN; Design Type: LIMITED; Body Outside Diameter: 1.000 INCHES NOMINAL IN. 12 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.