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Technical Data Sheet
PartsTable / MRO / 74161
74161 ✓ 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 OVERALL, cup_width: 0.9063 INCHES NOMINAL IN, body_width: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, cone_width: 1.1563 INCHES NOMINAL IN, body_height: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, body_length: 0.840 INCHES MAXIMUM 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 5815-00-125-4957, 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→ 74161
NSN: 5815-00-125-4957
FSC: 5815
CAGE: 64959 — AMERICAN TELEPHONE AND TELEGRAPH CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.9063 INCHES NOMINAL IN
body_width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
cone_width1.1563 INCHES NOMINAL IN
body_height0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length0.840 INCHES MAXIMUM IN
bore_diameter1.6250 INCHES NOMINAL IN
overall_width1.1875 INCHES NOMINAL IN
standout_width0.2812 INCHES NOMINAL IN
special_featuresHM DUTY SERIES
style_designatorSTRAIGHT BORE, NORMAL ANGLE
features_providedHERMETICALLY SEALED AND ASYNCHRONOUS AND EDGE TRIGGERED AND MONOLITHIC AND POSITIVE OUTPUTS AND PRESETTABLE AND PROGRAMMABLE AND W/CLEAR AND W/ENABLE
NSN5815-00-125-4957
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 74161 MFR MICROCIRCUIT,DIGITAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
MC8316LInterchangeable
interchangeable cross-reference
interchangeable
862532-16Interchangeable
interchangeable cross-reference
interchangeable
17-378-219-00Interchangeable
interchangeable cross-reference
interchangeable
9413168Interchangeable
interchangeable cross-reference
interchangeable
706046XInterchangeable
interchangeable cross-reference
interchangeable
74161Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 74161?
74161 is a MICROCIRCUIT,DIGITAL. It is classified as a MRO (MRO_GENERAL).
What parts can replace 74161?
There are 6 known substitutes for 74161: MC8316L, 862532-16, 17-378-219-00 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 74161?
74161 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5815-00-125-4957. 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