The Air Cleaner,intake, cataloged under National Stock Number 2945-01-660-1333, 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 K & N Engineering, Inc. Dba Aem Induction. Government technical data includes 3 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 | 2945-01-660-1333 |
| Primary Part Number | RC-1820 |
| Item Name | Air Cleaner,intake |
| FSC / FSG | 2945 / 29 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving |
| Manufacturer | K & N Engineering, Inc. Dba Aem Induction |
| Status | ACTIVE |
| Shape | OVAL |
| Width | 3.0 INCHES NOMINAL IN |
| Material | COTTON |
| 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 |
|---|---|
| RC-1820 PRIMARY | K & N Engineering, Inc. Dba Aem Induction (USA) |
NSN 2945-01-660-1333 is a Air Cleaner,intake, manufactured by K & N Engineering, Inc. Dba Aem Induction, classified under FSC 2945, Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving. Status: active.
NSN 2945-01-660-1333 has 1 manufacturer part number on file: RC-1820 (K & N Engineering, Inc. Dba Aem Induction).
Key specifications for RC-1820: Overall Height: 2.75 INCHES NOMINAL IN; Shape: OVAL; Overall Length: 4.0 INCHES NOMINAL IN; Special Features: FLANGE RE-OILING AMOUNT 0.2 OZ, FLANGE LENGTH 0.625, FLANGE OFFSET 0.050, FLANGE TYPE IS OFFSET, NUMBER OF FLANGES 1, INNER WIRE INCLUDED NO, FLANGE INSIDE DIAMETER 2.0, ALL INCHES AND FILTERS ARE WASHABLE AND REUSEABLE OZ. 3 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.