The Filter Element,air Conditioning, cataloged under National Stock Number 1660-01-394-3369, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Donaldson Company, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | Donaldson Company, Inc. (CAGE 1L986) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-394-3369 |
| Primary Part Number | P646155 |
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Donaldson Company, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| P646155 PRIMARY | Donaldson Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| P52-7634 | 5/9 Secondary reference Donaldson Company, Inc. |
| P527634 | 5/9 Secondary reference Donaldson Company, Inc. |
| 527634 | 5/9 Secondary reference Donaldson Company, Inc. |
| 17B2N4001-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 1660-01-394-3369 is a Filter Element,air Conditioning, manufactured by Donaldson Company, Inc., classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-394-3369 has 1 manufacturer part number on file: P646155 (Donaldson Company, Inc.).
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.