Model: 7148M74P01

Engine Computer

Special Features:

Operating temp -65 to 160 degrees f, max 30 minutes at 203 degrees f; download operating power 20 watts; normal operating power 50 watts; download operating voltage 28 vdc; the emsc is an airframe mounted unit containing a battery (except for air shipment), a flex/connector assembly and 4 electronic component assemblies including digital programmed cpu board

Properties:

Direct Current Voltage Rating In Volts

28.0

Case Material

Aluminum alloy

End Application

F110-ge-129 engine f16 acft

Unpackaged Unit Length

10.00 inches

Unpackaged Unit Width

6.50 inches

Unpackaged Unit Height

5.00 inches

Power Source

External or self-contained

Intelligence Input Method

Electrical

Functional Description

Receives digital engine performance signals from the digital electronic control (dec) and aircraft parameters from the aircraft mux bus; these signals are compared against predetermined limits stored in the emsc; exceedences and faults are transmitted to remote aircraft systems; also monitors the dec and its own performance and transmits data to the pilot display; detects engine control loop failures and compressor stalls

Reference Data And Literature

T.O. 5e1-2-12-1, -4

Supplementary Features

Battery is not included for air shipment; battery power 3.67 vdc and is mounted in the front panel of the emsc

Fsc Application Data

Engine monitoring system computer emsc

NSN

6620-01-311-3516

Part Number

7148M74P01

Description

Computer,engine

CAGE

07482

A computer that receives, monitors, and stores data of the engine's operation. It also includes analysis of fault data and interfaces with other aircraft indicators and systems.

Part 7148M74P01 NSN 6620-01-311-3516

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

47029

FIIG:

A30800

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:

26.0 X 15.0 X 14.5

Paclk Weight:

21.0000lbs

Item Weight:

5.0000lbs

Item Dim:

011000650050

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

F000009XE5

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

061700

UFC:

34580

LTL:

RATING VARIABLE

LCL:

77.5

WCC:

658

TCC:

SHC:

ACC:

Instruments/Radio

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Schedule B and Export

Schedule B: 8411997050
SITC: 71499
End Use: Engines and turbines for military aircraft
NAICS: 336412
USDA: 1

Freight Class: Parts of gas turbine aircraft engines, other than for use in civil aircraft