The Adapter,air Inlet,heat Exchanger, cataloged under National Stock Number 1660-01-458-4530, 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 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-458-4530 |
| Item Name | Adapter,air Inlet,heat Exchanger |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Status | ACTIVE |
| FSC Application Data | DUCT INSTALLATION (L5358006-101,102) |
| Reference Data and Literature | T.O. 1B-1B-4-21 |
| 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 |
| Reference | Meaning |
|---|---|
| 1810801-109 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-01-458-4530 is a Adapter,air Inlet,heat Exchanger, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
Key specifications for 1660-01-458-4530: FSC Application Data: DUCT INSTALLATION (L5358006-101,102); Reference Data and Literature: T.O. 1B-1B-4-21; Part Name Assigned by Controlling Agency: NAME: COUPLING,COVER; End Item Identification: B-1B AIRCRAFT. 2 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 1660-01-458-4530 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.