The Filter Element,air Conditioning, cataloged under National Stock Number 1660-01-374-2357, 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 North Atlantic Industries, Inc. Dba North Atlantic Industries. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Filter Element,air Conditioning |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | North Atlantic Industries, Inc. Dba North Atlantic Industries (CAGE 0VGU1); Laurel Technologies Partnership Dba Drs Laurel Technologies (CAGE 0ERB9) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-374-2357 |
| Primary Part Number | 300450 |
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | North Atlantic Industries, Inc. Dba North Atlantic Industries |
| 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 |
|---|---|
| 300450 PRIMARY | North Atlantic Industries, Inc. Dba North Atlantic Industries (USA) |
| 300450 | Laurel Technologies Partnership Dba Drs Laurel Technologies (USA) |
| Reference | Meaning |
|---|---|
| 300450 | 5/9 Secondary reference Nai Technologies Inc |
| 300450 | 5/9 Secondary reference Drs Rugged Systems Inc Sub of Drs Technologies |
NSN 1660-01-374-2357 is a Filter Element,air Conditioning, manufactured by North Atlantic Industries, Inc. Dba North Atlantic Industries, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-374-2357 has 2 manufacturer part numbers on file: 300450 (North Atlantic Industries, Inc. Dba North Atlantic Industries), 300450 (Laurel Technologies Partnership Dba Drs Laurel Technologies).
1 possible match (shared part number, not a government interchangeability claim): 2590-01-699-0790. 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.