The Filter,fluid, cataloged under National Stock Number 4330-01-375-7330, 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 22 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-375-7330 |
| Primary Part Number | SS-4TF-40 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Filtering Media Design | WOVEN SINGLE FILTERING MEDIA RESPONSE |
| Filtration Rating in Microns | 40.0 NOMINAL |
| Distance From Bottom of Body to Center of Inlet | 1.500 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 0.438 INCHES IN |
| First Intake Thread Series Designator | UNF |
| Design Type | REUSABLE |
| First Intake Thread Direction | RIGHT-HAND |
| Body Width | 1.000 INCHES NOMINAL IN |
| Body Height | 1.875 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED EXTERNAL TUBE LINE |
| First Intake Thread Class | 3A A |
| Style Designator | TEE TYPE (HYDRAULIC) |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Filtering Element Quantity | 1 |
| Body Length | 2.234 INCHES NOMINAL IN |
| 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 | STEEL COMP 316 BODY |
| Material | STEEL COMP 316 FILTERING MEDIUM |
| Material | STEEL COMP 316 SEAL |
| 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 |
NSN 4330-01-375-7330 is a Filter,fluid, manufactured by Swagelok Co, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-375-7330 has 2 manufacturer part numbers on file: 6508389 (Naval Sea Systems Command), SS-4TF-40 (Swagelok Co).
1 possible match (shared part number, not a government interchangeability claim): 4330-01-692-3588. Verify interchangeability with system specifications before substitution.
Key specifications for SS-4TF-40: Filtering Media Design: WOVEN SINGLE FILTERING MEDIA RESPONSE; Filtration Rating in Microns: 40.0 NOMINAL; Distance From Bottom of Body to Center of Inlet: 1.500 INCHES NOMINAL IN; First Intake Nominal Thread Size: 0.438 INCHES IN. 22 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.