The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-213-4953, 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 Coc Aerospace Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-213-4953 |
| Primary Part Number | 214-26523-119 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Coc Aerospace Inc |
| Status | ACTIVE |
| Material Document and Classification | MIL-T-8808 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 321 |
| 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 |
|---|---|
| 214-26523-119 | Coc Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| 214-26523-119 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-01-213-4953 is a Duct Assembly,air Conditioning-H, manufactured by Coc Aerospace Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-213-4953 has 1 manufacturer part number on file: 214-26523-119 (Coc Aerospace Inc).
Key specifications for 214-26523-119: Material Document and Classification: MIL-T-8808 MIL SPEC SINGLE MATERIAL RESPONSE; Special Features: FLANGES CRES 321 COND A PER ASTM A580; TUBE DIA 1.500 IN.; TUBE WALL THICKNESS 0.020 IN. OVERALL LENGTH 10.355 IN.; FLANGE DIA 2.250 IN. BOTH ENDS; TUBE HAS NAS 594-12 FITTING AT STRAIGHT END IN; Material: STEEL COMP 321. 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 1660-01-213-4953 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.