The Screen Assy-Carb Ai, cataloged under National Stock Number 2945-00-479-3403, 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 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Screen Assy-Carb Ai |
| FSC / FSG | 2945 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving (FSG 29) |
| Manufacturers | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAGE 00198) |
| Parameter | Value |
|---|---|
| NSN | 2945-00-479-3403 |
| Primary Part Number | 42223 |
| Item Name | Screen Assy-Carb Ai |
| FSC / FSG | 2945 / 29 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 42223 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| Reference | Meaning |
|---|---|
| 42223 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 42223 | 5/2 Secondary reference U.S. Government activity |
NSN 2945-00-479-3403 is a Screen Assy-Carb Ai, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 2945, Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving. Status: active.
NSN 2945-00-479-3403 has 1 manufacturer part number on file: 42223 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
1 possible match (shared part number, not a government interchangeability claim): 5940-01-370-1800. Verify interchangeability with system specifications before substitution.
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.