The Manifold,cabin Air, cataloged under National Stock Number 1660-01-120-7461, 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 The Boeing Company. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-120-7461 |
| Primary Part Number | 414AS708-1 |
| Item Name | Manifold,cabin Air |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Special Test Features | DUCT TO BE MANUFACTURED AND QUALIFIED PER BOEING-VERTOL DOCUMENT D210-11405-1 DUCT ASSEMBLY - LOW PRESSURE, CLASS II, TYPE 2 |
| Supplementary Features | OUTER SURFACE OF BEAD TO CONFORM TO MS336660 TYPA A; INNER SURFACE MAY BE FLUSH WITH INSIDE DIAMETER OF DUCT; AREAS SHALL HAVE ADEQUATE RIGIDITY TO WITHSTAND NORMAL CLAMPING PRESSURES |
| 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 |
|---|---|
| 414AS708-1 PRIMARY | The Boeing Company (USA) |
| XD4177 PRIMARY | Senior Uk Limited Div Senior Aerospace Bwt (GBR) |
| Reference | Meaning |
|---|---|
| XD4177 | C/1 Advisory reference — outside the item-of-supply concept Maven Engineering Corporation |
| XD4177 | 5/9 Secondary reference Comptech Corporation Dba Comptech |
| 414AS708-1 | 5/9 Secondary reference U.S. Government activity |
NSN 1660-01-120-7461 is a Manifold,cabin Air, manufactured by The Boeing Company, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-120-7461 has 2 manufacturer part numbers on file: 414AS708-1 (The Boeing Company), XD4177 (Senior Uk Limited Div Senior Aerospace Bwt).
Key specifications for 414AS708-1: Special Test Features: DUCT TO BE MANUFACTURED AND QUALIFIED PER BOEING-VERTOL DOCUMENT D210-11405-1 DUCT ASSEMBLY - LOW PRESSURE, CLASS II, TYPE 2; Supplementary Features: OUTER SURFACE OF BEAD TO CONFORM TO MS336660 TYPA A; INNER SURFACE MAY BE FLUSH WITH INSIDE DIAMETER OF DUCT; AREAS SHALL HAVE ADEQUATE RIGIDITY TO WITHSTAND NORMAL CLAMPING PRESSURES; Overall Length: 26.00 INCHES NOMINAL IN; Special Features: 4.25" OUTSIDE DIAMETER (RIGHT END); 6" OUTSIDE DIAMETER (LEFT END); 4.25" OUTSIDE DIAMETER (TOP END); 8" RADIUS (LEFT CURVE); 4" RADIUS (TOP CURVE - 3.4" CLAMPING AREA); 4" RADIUS (RIGHT CURVE - 3.4" CLAMPING AREA). 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 1660-01-120-7461 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.