The Filter,fluid, cataloged under National Stock Number 2945-01-580-1315, is classified within Federal Supply Class 2945 (Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving) of the Engine Accessories group. The manufacturer of record is Tronair, Inc. Div Tronair. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2945-01-580-1315 |
| Primary Part Number | K-3493 |
| Item Name | Filter,fluid |
| FSC / FSG | 2945 / 29 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving |
| Manufacturer | Tronair, Inc. Div Tronair |
| Status | ACTIVE |
| Design Type | REUSABLE |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| 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 |
|---|---|
| K-3493 PRIMARY | Tronair, Inc. Div Tronair (USA) |
NSN 2945-01-580-1315 is a Filter,fluid, manufactured by Tronair, Inc. Div Tronair, classified under FSC 2945, Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving. Status: active.
NSN 2945-01-580-1315 has 1 manufacturer part number on file: K-3493 (Tronair, Inc. Div Tronair).
Key specifications for K-3493: Design Type: REUSABLE; Special Features: RETURN FILTER IS USED TO FILTER THE RETURN FLUID ON THE HYDRAULIC POWER UNIT, IT IS SPARE PART OF THE HYDRAULIC POWER NUIT. REPLACE THE FILTER ELEMENT ANY TIME THE CLOGGED FILTER INDICATOR LITHT IS TRIGGERED OR WHEN THE POP-UP INDICATOR LOCATED ON THE FILTER HEAD CHANGED TO RED DURING OPERATION. REPLACE THE FILTER ELEMENT ANNUALLY TO ENSURE PROPER CLEANLINESS OF THE HYDRAULIC SYSTEM. THIS IS A MINIMUM REQUIREMENT. STANDARD FILTER CHANGED DEPEND ON HOW FREQUENTLY THE HPU I SUSED AND THE CLEANLINESS OF THE FLUID ALONG WITH THE ENVIROMENT IN WHICH THE HPU IS EXPOSED. PERIODIC FLUID ANALYSIS IS RECOMMENDED TO PROPERLY DETERMINE THE OPTIMUM FREQUENCY OF FILTER ELEMENT CHANGES.; Media for Which Designed: FUEL/OIL, HYDROCARBON; End Item Identification: 54200ZZ1BFKM HYDRAULIC POWER UNIT. 2 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.