The Fan,centrifugal, cataloged under National Stock Number 1660-01-535-3476, 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 10 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1660-01-535-3476 |
| Primary Part Number | 901-325-103-151 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Outlet Location | TOP |
| Length | 7.50 INCHES NOMINAL IN |
| Housing Inside Diameter | 6.00 INCHES NOMINAL IN |
| Special Test Features | OPERATING POINT 1: 950 CFM, 3.0 INCHES H2O, OPERATING POINT 2: 630 CFM, 6.3 INCHES H2O, 600 MAXIMUM CFM FOR SURGE IN |
| Criticality Code Justification | NHCF |
| Extended Height | 8.00 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 12000.0 |
| Nuclear Hardness Critical Feature | HARDENED |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 950.0 CUBIC FEET PER MINUTE MAXIMUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | M |
| Part Number | Manufacturer |
|---|---|
| 901-325-103-151 PRIMARY | The Boeing Company (USA) |
| 48240-1 PRIMARY | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| 901-325-103-151 | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 48240-1 | C/1 Advisory reference — outside the item-of-supply concept Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
NSN 1660-01-535-3476 is a Fan,centrifugal, manufactured by The Boeing Company, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-535-3476 has 3 manufacturer part numbers on file: 901-325-103-151 (The Boeing Company), 48240-1 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), 901-325-103-151 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.).
Key specifications for 901-325-103-151: Outlet Location: TOP; Length: 7.50 INCHES NOMINAL IN; Housing Inside Diameter: 6.00 INCHES NOMINAL IN; Special Test Features: OPERATING POINT 1: 950 CFM, 3.0 INCHES H2O, OPERATING POINT 2: 630 CFM, 6.3 INCHES H2O, 600 MAXIMUM CFM FOR SURGE IN. 10 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 1660-01-535-3476 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.