The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-574-8027, 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 Exotic Metals Forming Company Llc Dba Exotic Metals Forming Co Llc Div Exotic Metals Forming Division. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-574-8027 |
| Primary Part Number | 87685-2 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Exotic Metals Forming Company Llc Dba Exotic Metals Forming Co Llc Div Exotic Metals Forming Division |
| Status | ACTIVE |
| 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 |
|---|---|
| 87685-2 PRIMARY | Exotic Metals Forming Company Llc Dba Exotic Metals Forming Co Llc Div Exotic Metals Forming Division (USA) |
| 277D1476-506 PRIMARY | Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (USA) |
NSN 1660-01-574-8027 is a Duct Assembly,air Conditioning-H, manufactured by Exotic Metals Forming Company Llc Dba Exotic Metals Forming Co Llc Div Exotic Metals Forming Division, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-574-8027 has 2 manufacturer part numbers on file: 87685-2 (Exotic Metals Forming Company Llc Dba Exotic Metals Forming Co Llc Div Exotic Metals Forming Division), 277D1476-506 (Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace).
Key specifications for 87685-2: Part Name Assigned by Controlling Agency: MANIFOLD; End Item Identification: AEROSPACE SYSTEMS. 0 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 1660-01-574-8027 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.