The Filter Element,fluid, cataloged under National Stock Number 4330-01-508-6691, 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 Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-508-6691 |
| Primary Part Number | 925578 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division |
| Status | ACTIVE |
| Filtering Media Design | PLEATED SINGLE FILTERING MEDIA RESPONSE |
| Body Diameter | 1.750 INCHES NOMINAL IN |
| Body Overall Length | 4.500 INCHES NOMINAL IN |
| Filtration Rating in Microns | 10.0 ABSOLUTE AND 3.0 NOMINAL |
| Flow Direction | OUTSIDE IN |
| Design Type | NONREUSABLE |
| Temp Rating | -40.0 FAHRENHEIT MINIMUM AND 225.0 FAHRENHEIT MAXIMUM DEGF |
| Style Designator | CYLINDRICAL W/OUT CONTAINER |
| Body Inside Diameter | 1.000 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Material | CELLULOSE FILTERING MEDIUM |
| 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 |
|---|---|
| 925578 PRIMARY | Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division (USA) |
| SF3150-3 PRIMARY | Swift Filters, Inc. (USA) |
| 535A-03RL PRIMARY | Norman Filter Company, L.l.c. Dba Norman Filter Co Llc (USA) |
| Reference | Meaning |
|---|---|
| 4330PL1289598 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 7251737 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4330-01-508-6691 is a Filter Element,fluid, manufactured by Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-508-6691 has 3 manufacturer part numbers on file: 925578 (Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division), SF3150-3 (Swift Filters, Inc.), 535A-03RL (Norman Filter Company, L.l.c. Dba Norman Filter Co Llc).
Key specifications for 925578: Filtering Media Design: PLEATED SINGLE FILTERING MEDIA RESPONSE; Body Diameter: 1.750 INCHES NOMINAL IN; Body Overall Length: 4.500 INCHES NOMINAL IN; Filtration Rating in Microns: 10.0 ABSOLUTE AND 3.0 NOMINAL. 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.