The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-488-8103, 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 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1660-01-488-8103 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Status | ACTIVE |
| Material Document and Classification | AMS 4911 ASSN STD 1ST MATERIAL RESPONSE |
| Aircraft Location | WEAPONS BAY |
| Material | TITANIUM ALLOY |
| Aircraft Mission Design Series | F-22 RAPTOR |
| 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 |
|---|---|
| 5HE41213-119 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-01-488-8103 is a Duct Assembly,air Conditioning-H, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
Key specifications for 1660-01-488-8103: Material Document and Classification: AMS 4911 ASSN STD 1ST MATERIAL RESPONSE; Special Features: CONSISTS 5HE41213-123 DUCT; 5HE41213-121 DUCT; 5HE41213-131 BOSS; C9764W08 FLANGE (1); 21F12-16T2 FLANGE (1); 21F13-24T2 FLANGE (1); Aircraft Location: WEAPONS BAY; Part Name Assigned by Controlling Agency: DUCT ASSY, AIR COND. BLEED-SIDE WPNS BAY, MDL 3. 4 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.
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.