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Technical Data Sheet
PartsTable / COMPONENT / 31-0066
31-0066 ✓ Verified by PartsTable
— · COMPONENT
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 shape: TAPERED, material: STEEL BODY, overall_length: 4.125 INCHES NOMINAL IN, mounting_method: STUD(S), overall_diameter: 5.875 INCHES NOMINAL IN, special_features: LAMP TYPE AND QUANTITY 1 HALOGEN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-738-8542, 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
31-0066
NSN: 3020-00-738-8542
FSC: 3020
CAGE: 64959 — AMERICAN TELEPHONE AND TELEGRAPH CO (USA)
SPECIFICATIONS
shapeTAPERED
materialSTEEL BODY
overall_length4.125 INCHES NOMINAL IN
mounting_methodSTUD(S)
overall_diameter5.875 INCHES NOMINAL IN
special_featuresLAMP TYPE AND QUANTITY 1 HALOGEN
surface_treatmentENAMEL BODY
voltage_rating_in_volts12.0 DC NOMINAL
wiring_provision_length12.0 INCHES NOMINAL SINGLE PROVISION IN
wiring_provision_methodINDIVIDUAL WIRE
terminal_type_and_quantity1 WIRE LEAD
lamp_base_type_accommodatedTWO SCREW TERMINALS
NSN3020-00-738-8542
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 31-0066 MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
FSC APPLICATION DATA: TELETYPE AND FACSIMILE EQUIPMENT
TECHNICAL CHARACTERISTICS (FLIS)
FSC APPLICATION DATATELETYPE AND FACSIMILE EQUIPMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
R18517Interchangeable
interchangeable cross-reference
interchangeable
M24201Interchangeable
interchangeable cross-reference
interchangeable
HR10556Interchangeable
interchangeable cross-reference
interchangeable
173551Interchangeable
interchangeable cross-reference
interchangeable
31-0066Interchangeable
interchangeable cross-reference
interchangeable
NCA13005AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31-0066?
31-0066 is a MICROCIRCUIT,DIGITAL.
What parts can replace 31-0066?
There are 9 known substitutes for 31-0066: R18517, M24201, HR10556 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31-0066?
31-0066 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-738-8542. 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