The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-00-804-6600, 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 Volumatic Inc Dba Volumatic Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 12 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1660-00-804-6600 |
| Primary Part Number | 35-19135-513 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Volumatic Inc Dba Volumatic Inc |
| Status | ACTIVE |
| Material Document and Classification | WW-T-700/6 FED SPEC SINGLE MATERIAL RESPONSE |
| Material | ALUMINUM ALLOY |
| Aircraft Mission Design Series | B-52 |
| 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 |
|---|---|
| 35-19135-513 | Volumatic Inc Dba Volumatic Inc (USA) |
| 35-19135-513 | Aero Metal Forms Inc (USA) |
| 35-19135-513 | Aero Components, Llc (USA) |
| 35-19135-513 | D-J Engineering Inc Dba D-J Engineering Inc (USA) |
| 35-19135-513 | Camnetics Manufacturing Corporation (USA) |
| 35-19135-513 | C. E. Machine Co., Inc. (USA) |
| 35-19135-513 | Malones Cnc Machining Inc (USA) |
| 35-19135-513 | Harlow Aerostructures, Llc (USA) |
| 35-19135-513 | Tect Hypervelocity, Inc. (USA) |
| 35-19135-513 | Nordam Group Llc, the Div Nordam (USA) |
| 35-19135-513 | Infinity Fabrication, Inc. (USA) |
| 35-19135-513 | Pro-Fab, Llc (USA) |
| Reference | Meaning |
|---|---|
| 35-19135-513 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-00-804-6600 is a Duct Assembly,air Conditioning-H, manufactured by Volumatic Inc Dba Volumatic Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-804-6600 has 12 manufacturer part numbers on file: 35-19135-513 (Volumatic Inc Dba Volumatic Inc), 35-19135-513 (Aero Metal Forms Inc), 35-19135-513 (Aero Components, Llc), 35-19135-513 (D-J Engineering Inc Dba D-J Engineering Inc), 35-19135-513 (Camnetics Manufacturing Corporation) and 7 more.
Key specifications for 35-19135-513: Material Document and Classification: WW-T-700/6 FED SPEC SINGLE MATERIAL RESPONSE; End Item Identification: B-52 AIRCRAFT; Material: ALUMINUM ALLOY; Aircraft Mission Design Series: B-52. 3 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 1660-00-804-6600 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.