The Filter Element,fluid, cataloged under National Stock Number 2940-01-251-9967, is classified within Federal Supply Class 2940 (Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Pentair Filtration Solutions, Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-01-251-9967 |
| Primary Part Number | 9601-23 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Pentair Filtration Solutions, Llc |
| Status | ACTIVE |
| Filtering Media Design | LOOSE PACKED SINGLE FILTERING MEDIA RESPONSE |
| Filtration Rating in Microns | 1.0 NOMINAL |
| Design Type | NONREUSABLE |
| Temp Rating | 100.0 FAHRENHEIT MAXIMUM DEGF |
| Style Designator | CYLINDRICAL W/INTEGRAL OUTER CASING |
| Filtering System for Which Designed | FULL FLOW |
| Media for Which Designed | WATER |
| Material | ALUMINUM BODY |
| Material | CARBON 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 |
|---|---|
| 9601-23 PRIMARY | Pentair Filtration Solutions, Llc (USA) |
| EV9601-23 | Pentair Filtration Solutions, Llc (USA) |
| 255348 | Pentair Filtration Solutions, Llc (USA) |
| Reference | Meaning |
|---|---|
| 150U FIL | C/1 Advisory reference — outside the item-of-supply concept Pentair Filtration Solutions, Llc |
| 9601-20 | 5/9 Secondary reference Pentair Filtration Solutions, Llc |
| MDCN9601-20 | 5/9 Secondary reference Pentair Filtration Solutions, Llc |
NSN 2940-01-251-9967 is a Filter Element,fluid, manufactured by Pentair Filtration Solutions, Llc, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-251-9967 has 3 manufacturer part numbers on file: 9601-23 (Pentair Filtration Solutions, Llc), EV9601-23 (Pentair Filtration Solutions, Llc), 255348 (Pentair Filtration Solutions, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 6515-01-428-9238, 4410-01-459-4945. Verify interchangeability with system specifications before substitution.
Key specifications for 9601-23: Filtering Media Design: LOOSE PACKED SINGLE FILTERING MEDIA RESPONSE; Filtration Rating in Microns: 1.0 NOMINAL; Design Type: NONREUSABLE; Temp Rating: 100.0 FAHRENHEIT MAXIMUM DEGF. 9 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.