The Filter Element,oil, cataloged under National Stock Number 2945-00-458-3665, 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 Pall Aeropower Corporation. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2945-00-458-3665 |
| Primary Part Number | AC8556FEEL |
| Item Name | Filter Element,oil |
| FSC / FSG | 2945 / 29 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT ENGINE TEST OVERHAUL |
| General Characteristics Item Description | TEMPERATURE RANGE 65 TO 275 DEGREE F,FLOW RATE 10GFM OF ENGINE OIL PWA 521B TYPE II,FILTERATION 10 MICRONS NOMINAL,CLEAN PRESSURE DROP AT RATED FLOW AT 250 DEGREES F 5 PSI MAXIMUM,FILTER MEDIA EPOCEL 10 MINIMUMELEMENT COLLAPSE DIFFERENTIAL PRESSURE 75 PSI |
| 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 |
|---|---|
| AC8556FEEL PRIMARY | Pall Aeropower Corporation (USA) |
| TAM134177 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| PWA24537 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 2945-00-458-3665 is a Filter Element,oil, manufactured by Pall Aeropower Corporation, classified under FSC 2945, Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving. Status: active.
NSN 2945-00-458-3665 has 2 manufacturer part numbers on file: AC8556FEEL (Pall Aeropower Corporation), TAM134177 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for AC8556FEEL: FSC Application Data: AIRCRAFT ENGINE TEST OVERHAUL; General Characteristics Item Description: TEMPERATURE RANGE 65 TO 275 DEGREE F,FLOW RATE 10GFM OF ENGINE OIL PWA 521B TYPE II,FILTERATION 10 MICRONS NOMINAL,CLEAN PRESSURE DROP AT RATED FLOW AT 250 DEGREES F 5 PSI MAXIMUM,FILTER MEDIA EPOCEL 10 MINIMUMELEMENT COLLAPSE DIFFERENTIAL PRESSURE 75 PSI. 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.