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Technical Data Sheet
74166 ✓ 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 MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: STEEL, body_width: 0.245 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN, body_height: 0.120 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN, body_length: 0.750 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN, overall_width: 0.750 INCHES NOMINAL IN, overall_height: 6.812 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5815-00-125-5201, 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 74166
NSN: 5815-00-125-5201
FSC: 5815
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
materialSTEEL
body_width0.245 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
body_height0.120 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
body_length0.750 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
overall_width0.750 INCHES NOMINAL IN
overall_height6.812 INCHES NOMINAL IN
overall_length12.562 INCHES NOMINAL IN
features_providedHERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND RESETTABLE AND SYNCHRONOUS AND W/BUFFERED OUTPUT AND W/CLEAR AND W/ENABLE
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialCERAMIC AND GLASS
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
test_data_document96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
NSN5815-00-125-5201
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 74166 MFR MICROCIRCUIT,DIGITAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
S54166F/883BInterchangeable
interchangeable cross-reference
interchangeable
041079-000Interchangeable
interchangeable cross-reference
interchangeable
819146-0054EInterchangeable
interchangeable cross-reference
interchangeable
74166Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 74166?
74166 is a MICROCIRCUIT,DIGITAL. It is classified as a MRO (MRO_GENERAL).
What parts can replace 74166?
There are 4 known substitutes for 74166: S54166F/883B, 041079-000, 819146-0054E and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 74166?
74166 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5815-00-125-5201. This indicates validated use in U.S. government and defense supply chains.
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