The Filter Element,fluid, cataloged under National Stock Number 2945-00-349-4070, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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 | 2945-00-349-4070 |
| Primary Part Number | 4024164 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 2945 / 29 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Filtering Media Design | MESH SINGLE FILTERING MEDIA RESPONSE |
| FSC Application Data | FILTER ELEMENT,FLUID PRESSURE,ACFT ENGINE MODEL F100PW100 |
| Body Overall Length | 2.470 INCHES MINIMUM AND 2.530 INCHES MAXIMUM IN |
| Flow Direction | INSIDE OUT |
| Largest Outside Diameter | 0.400 INCHES MAXIMUM IN |
| Design Type | NONREUSABLE |
| Temp Rating | 100.0 FAHRENHEIT NOMINAL DEGF |
| Style Designator | CONICAL W/OUT CONTAINER |
| Smallest Outside Diameter | 0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Tapered Hole Major Diameter | 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Material | STEEL CORROSION RESISTING BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4024164 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 23138 | Pall Aeropower Corporation (USA) |
| 23138 | Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA) |
| Reference | Meaning |
|---|---|
| 2945PL2169884 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 2945PL0867104 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 2945-00-349-4070 is a Filter Element,fluid, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2945, Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving. Status: active.
NSN 2945-00-349-4070 has 3 manufacturer part numbers on file: 4024164 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 23138 (Pall Aeropower Corporation), 23138 (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div).
8 possible matches (shared part number, not a government interchangeability claim): 2915-00-786-0660, 3820-00-890-2475, 5136-00-973-8833. Verify interchangeability with system specifications before substitution.
Key specifications for 4024164: Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE; FSC Application Data: FILTER ELEMENT,FLUID PRESSURE,ACFT ENGINE MODEL F100PW100; Body Overall Length: 2.470 INCHES MINIMUM AND 2.530 INCHES MAXIMUM IN; Flow Direction: INSIDE OUT. 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.
NSN 2945-00-349-4070 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.