The Heat Exchanger,air to Air,aircra, cataloged under National Stock Number 1660-00-101-9829, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-101-9829 |
| Item Name | Heat Exchanger,air to Air,aircra |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Status | ACTIVE |
| FSC Application Data | BREATHING OXYGEN SYSTEM,P/N 4E87041-101A A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4E99502-101A | 1/2 Source control — Government-approved source U.S. Government activity |
| 20001A | 3/9 Design control — primary reference Conax Florida Corporation |
| 20001A | 5/9 Secondary reference American Safety Flight Systems Inc |
| 8148650 | A/1 Packaging identification reference U.S. Government activity |
NSN 1660-00-101-9829 is a Heat Exchanger,air to Air,aircra, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
Key specifications for 1660-00-101-9829: FSC Application Data: BREATHING OXYGEN SYSTEM,P/N 4E87041-101A A; Special Features: CENTER FUSELAGE CARGO COMPARTMENT; End Item Identification: C-5A AIRCRAFT A. 1 specification is 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.