The Refrigeration Unit,avionics, cataloged under National Stock Number 1660-01-222-8339, 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 Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-222-8339 |
| Primary Part Number | 326502G03 |
| Item Name | Refrigeration Unit,avionics |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| Status | ACTIVE |
| FSC Application Data | AIR CONDITIONING SYSTEM |
| Functional Description | COOLING OF AVIONICS FOR INFRARED RADAR EQUIPMENT |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SOURCE CONTROL DRAWING |
| 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 |
|---|---|
| 326502G03 | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 218-76102-103 | 1/3 Source control — Government-approved source U.S. Government activity |
| 326502G03 | 5/9 Secondary reference Howden Fluid Systems |
NSN 1660-01-222-8339 is a Refrigeration Unit,avionics, manufactured by Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc., classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-222-8339 has 1 manufacturer part number on file: 326502G03 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.).
Key specifications for 326502G03: FSC Application Data: AIR CONDITIONING SYSTEM; Functional Description: COOLING OF AVIONICS FOR INFRARED RADAR EQUIPMENT; End Item Identification: A7K ACFT; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SOURCE CONTROL DRAWING. 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.
NSN 1660-01-222-8339 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.