The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-151-2407, 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 H.m. Dunn Company Inc Dba Nex-Tech Aerospace. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-151-2407 |
| Primary Part Number | 16B4817-22 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | H.m. Dunn Company Inc Dba Nex-Tech Aerospace |
| 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 |
|---|---|
| 16B4817-22 | H.m. Dunn Company Inc Dba Nex-Tech Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 16B4817-32 | 3/2 Design control — primary reference U.S. Government activity |
| 16B4817-22 | 5/9 Secondary reference U.S. Government activity |
NSN 1660-01-151-2407 is a Duct Assembly,air Conditioning-H, manufactured by H.m. Dunn Company Inc Dba Nex-Tech Aerospace, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-151-2407 has 1 manufacturer part number on file: 16B4817-22 (H.m. Dunn Company Inc Dba Nex-Tech Aerospace).
Key specifications for 16B4817-22: Special Features: C/O 1 CASTING; AL ALLOY PER AMS 4218-T6; LOCATED AT FS 243.00,RAM AIR; NHA 16B4815-2; EFF 5C 0001 9999; End Item Identification: ACFT MODEL F-16C/D. 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 1660-01-151-2407 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.