#4L90511-101B Direction Data Converter | Engine Instruments

4L90511-101B

Signal Data Converter

NSN 6620-00-251-0569

DEMIL
Shelf Life
UOM
NIIN
Demil:
DEMIL/MLI
Shelf Life:
N/A
UOM:
1 EA
NIIN:
002510569

Product Features

Consists of 2 signal conditioner connectors, 1 power input connector, and 1 output connector, 2 signal conditioner circuit cards powered by a +/- 10 vdc with a 0-5 vdc output, 0.0 vdc meaning 0.0 inch and 5.0 vdc meaning 3.O inch, 1 voltage regulator circuit card creating +/- 10 vdc, used to monitor engine vibration

Product Technical Spec.

Inclosure Material:
Aluminum
Overall Length:
3.250 inches
Overall Height:
3.000 inches
Overall Width:
2.500 inches
Individual Section Quantity:
2
Operating Tempurature Range:
-65.0/+185.0 degrees fahrenheit
Average Life Measurement:
Not rated
End Application:
C-5 series aircraft engines
Basic Shape Style:
Rectangular or square
Inclosure Type:
Hermetically sealed
Installation Design:
Mechanical
Circuit Construction Type:
Solid state
Connection Type And Location:
Receptacle, power front
Connection Contact Type And Quantity:
5 receptacle, power external
External Ac Operating Voltage In Volts:
115.0 single voltage
Phase:
Single
Reference Data And Literature:
To 33d3-23-4-4
NSN:
6620-00-251-0569
Item Name:
Direction Data Converter
Cage Code:
98897

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
102919
Cage Code:
62767
RNCC:
3
RNVC:
2
RNAAC:
SE
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Instruments And Laboratory Equipment
------ Engine Instruments
--------- Signal Data Converters
------------ P/N 4L90511-101B

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Last Updated: 06/08/2025