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Technical Data Sheet
PartsTable / MRO / TTU73E
TTU73E ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The TTU73E is a the manufacturer industrial component. Key specifications include depth: 18.000 INCHES NOMINAL IN, width: 12.000 INCHES NOMINAL IN, height: 6.005 INCHES NOMINAL IN, material: STEEL CARRYING CASE, major_components: MAJOR TRANSMITTER,TEST TRANSMITTER MASTER INDICATOR,WIRING HARNESS,SELF TEST CONNECTOR,DC VOLTMETER, special_features: OPERATING TEST CAPABILITY-ACHIEVING AND RETAINING A CALIBRATION ACCURACYOF PORM 0.2 PERCENT OF FULL SCALE 360 DEGREES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-691-3811, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ TTU73E
NSN: 6625-00-691-3811
FSC: 6625
CAGE: 80058 — JOINT ELECTRONICS TYPE DESIGNATION SYSTEM (USA)
SPECIFICATIONS
depth18.000 INCHES NOMINAL IN
width12.000 INCHES NOMINAL IN
height6.005 INCHES NOMINAL IN
materialSTEEL CARRYING CASE
major_componentsMAJOR TRANSMITTER,TEST TRANSMITTER MASTER INDICATOR,WIRING HARNESS,SELF TEST CONNECTOR,DC VOLTMETER
special_featuresOPERATING TEST CAPABILITY-ACHIEVING AND RETAINING A CALIBRATION ACCURACYOF PORM 0.2 PERCENT OF FULL SCALE 360 DEGREES
dc_voltage_rating30.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT
enclosure_featureMULTIPLE ITEM W/CARRYING CASE
accessory_component_quantity7
test_type_for_which_designed1S A PORTABLE TEST UNIT DESIGNED FOR USE IN THE FIELD FOR TESTING AIRCAFT TYPE DC SELSYN INDICATORS AND TRANSMITTERS
electrical_power_source_relationshipOPERATING
NSN6625-00-691-3811
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TTU73E TITLE COMPONENT PN TTU73E MFR TTU73E
KEY FEATURES
•
ELECTRICAL POWER SOURCE RELATIONSHIP: OPERATING
•
ACCESSORY COMPONENT QUANTITY: 7
•
DC VOLTAGE RATING: 30.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT
•
DEPTH: 18.000 INCHES NOMINAL IN
•
MAJOR COMPONENTS: MAJOR TRANSMITTER,TEST TRANSMITTER MASTER INDICATOR,WIRING HARNESS,SELF TEST CONNECTOR,DC VOLTMETER
•
TEST TYPE FOR WHICH DESIGNED: 1S A PORTABLE TEST UNIT DESIGNED FOR USE IN THE FIELD FOR TESTING AIRCAFT TYPE DC SELSYN INDICATORS AND TRANSMITTERS
•
MATERIAL: STEEL CARRYING CASE
TECHNICAL CHARACTERISTICS (FLIS)
ELECTRICAL POWER SOURCE RELATIONSHIPOPERATING
ACCESSORY COMPONENT QUANTITY7
SPECIAL FEATURESOPERATING TEST CAPABILITY-ACHIEVING AND RETAINING A CALIBRATION ACCURACYOF PORM 0.2 PERCENT OF FULL SCALE 360 DEGREES
DC VOLTAGE RATING30.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT
DEPTH18.000 INCHES NOMINAL IN
MAJOR COMPONENTSMAJOR TRANSMITTER,TEST TRANSMITTER MASTER INDICATOR,WIRING HARNESS,SELF TEST CONNECTOR,DC VOLTMETER
TEST TYPE FOR WHICH DESIGNED1S A PORTABLE TEST UNIT DESIGNED FOR USE IN THE FIELD FOR TESTING AIRCAFT TYPE DC SELSYN INDICATORS AND TRANSMITTERS
MATERIALSTEEL CARRYING CASE
WIDTH12.000 INCHES NOMINAL IN
HEIGHT6.005 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
991004Interchangeable
interchangeable cross-reference
interchangeable
840357-000Interchangeable
interchangeable cross-reference
interchangeable
1460-1Interchangeable
interchangeable cross-reference
interchangeable
7000933Interchangeable
interchangeable cross-reference
interchangeable
C28136Interchangeable
interchangeable cross-reference
interchangeable
JAD1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TTU73E?
TTU73E is a TTU73E. It is classified as a MRO (MRO_GENERAL).
What parts can replace TTU73E?
There are 14 known substitutes for TTU73E: 991004, 840357-000, 1460-1 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TTU73E?
TTU73E is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-691-3811. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026