The Port-Exhaust,conditioned Air, cataloged under National Stock Number 1660-01-319-0490, 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 Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-319-0490 |
| Primary Part Number | DAA3287P004-103 |
| Item Name | Port-Exhaust,conditioned Air |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| FSC Application Data | PACER SPECIAL |
| Overall Diameter | 5.250 INCHES NOMINAL IN |
| General Characteristics Item Description | 6.950 IN. LONG IN CLOSED POSITION; 5.250 IN. DIA B.C.; WEIGHT 2.0 LBS. INCLUDING SWITCH LBS |
| 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 |
|---|---|
| DAA3287P004-103 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| Reference | Meaning |
|---|---|
| 18-3900-03 | 3/2 Design control — primary reference U.S. Government activity |
| DAA3287P004-103 | 5/2 Secondary reference U.S. Government activity |
| 18-3900-2 | 5/9 Secondary reference U.S. Government activity |
NSN 1660-01-319-0490 is a Port-Exhaust,conditioned Air, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-319-0490 has 1 manufacturer part number on file: DAA3287P004-103 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
Key specifications for DAA3287P004-103: FSC Application Data: PACER SPECIAL; Overall Diameter: 5.250 INCHES NOMINAL IN; General Characteristics Item Description: 6.950 IN. LONG IN CLOSED POSITION; 5.250 IN. DIA B.C.; WEIGHT 2.0 LBS. INCLUDING SWITCH LBS; Overall Length: 6.950 INCHES NOMINAL IN. 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 1660-01-319-0490 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.