The Controller,air Inlet,electronic, cataloged under National Stock Number 6610-01-342-9774, is classified within Federal Supply Class 6610 (Flight Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6610-01-342-9774 |
| Primary Part Number | ED741900-18 |
| Item Name | Controller,air Inlet,electronic |
| FSC / FSG | 6610 / 66 — Flight Instruments |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Phase | SINGLE |
| Frequency in Hertz | 400.0 |
| Relationship to Similar Equipment | SIMILAR TO 6610-01-247-1798, EACHARE USED ON F-15E ONLY & MUST NOT BE USED TOGETHER ON THE SAME ACFT,USE 2 -1798 OR 2 -9774S NOT ONE OF EACH;ALSO SIMILAR TO 6610-00-122-6625 & 6610-01-223-8179 EXCEPT THEY ARE F-15A/B/C/D ONLY A |
| Power Source | EXTERNAL |
| Reference Data and Literature | T.O. 5F28-2-4 |
| Terminal Location | BACK |
| Terminal Type and Quantity | 2 CONNECTOR, RECEPTACLE |
| Functional Description | ACCEPTS INPUTS FROM THE AIRCRAFT PITOT STATIC SYSTEM, ANGLE OF ATTACK, SENSOR, TEMPERATURE SENSOR & DUCT PITOT STATIC SENSOR;IT UTILIZES THESE INPUTS TO GENERATE THE COMMANDS NECESSARY TO CONTROL THE VARIABLE ENGINE INLET GEOMETRY DURING ALL FLIGHT CONDITIONS |
| Maximum Voltage Rating in Volts | 115.0 AC |
| Type/model Designation | DCU-181/A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ED741900-18 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| DCU-181/A | 5/1 Secondary reference U.S. Government activity |
NSN 6610-01-342-9774 is a Controller,air Inlet,electronic, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 6610, Flight Instruments. Status: active.
NSN 6610-01-342-9774 has 1 manufacturer part number on file: ED741900-18 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for ED741900-18: Phase: SINGLE; Frequency in Hertz: 400.0; Relationship to Similar Equipment: SIMILAR TO 6610-01-247-1798, EACHARE USED ON F-15E ONLY & MUST NOT BE USED TOGETHER ON THE SAME ACFT,USE 2 -1798 OR 2 -9774S NOT ONE OF EACH;ALSO SIMILAR TO 6610-00-122-6625 & 6610-01-223-8179 EXCEPT THEY ARE F-15A/B/C/D ONLY A; Power Source: EXTERNAL. 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 6610-01-342-9774 has DEMIL Code D. 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.