Model: DCU-181/A

Electronic Air Inlet Controller

Special Features:

One used per engine-2 total for f-15 acft

Properties:

Maximum Voltage Rating In Volts

115.0 ac

End Application

Pw200 engine, f15a/b/c/d

Terminal Location

Back

Power Source

External

Terminal Type And Quantity

2 connector, receptacle

Part Name Assigned By Controlling Agency

Controller, electronic air inlet

Phase

Single

Frequency In Hertz

400.0

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

Reference Data And Literature

T.O. 5f28-2-4

Relationship To Similar Equipment

Rsimilar to 6610-01-223-8179, eachare used on f-15a/b/c/d, but -8179 is used w/pw220 engine and -6625 is used with pw200 engine; also similar to 6610-01-247-1798 & 6610-01-342-9774 exceptthe -1798 & -9774 are f-15e only

Type/model Designation

Dcu-181/a

NSN

6610-00-122-6625

Part Number

DCU-181/A

Description

Controller,air Inlet,electronic

CAGE

80058

A device which accepts inputs from various sensors and regulates air flow to the engine intakes by opening and closing the inlet ramps in order to let more or less air in to ensure efficient operation.

Part DCU-181/A NSN 6610-00-122-6625

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

53017

FIIG:

A31700

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

25.0 X 19.0 X 17.0

Paclk Weight:

31.5000lbs

Item Weight:

17.0000lbs

Item Dim:

012500730095

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

F000009XE7

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

061480

UFC:

34500

LTL:

77.5

LCL:

77.5

WCC:

658

TCC:

SHC:

ACC:

Equipment for Aircraft

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Schedule B and Export

Schedule B: 9014900000
SITC: 87412
End Use: Marine engines, parts
NAICS: 334511
USDA: 1

Freight Class: Parts & accessories for direction finding compasses and other navigational instruments and appliances