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3-18681 ✓ 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 FUSEHOLDER,EXTRACTOR POST is a the manufacturer industrial component. Key specifications include body_width: 1.375 INCHES MAXIMUM IN, body_height: 1.313 INCHES MAXIMUM IN, body_length: 1.500 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-030-8406, 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
3-18681
NSN: 5950-01-030-8406
FSC: 5950
CAGE: 00144 — TE CONNECTIVITY NETWORKS, INC. DIV ADC TELECOMMUNICATIONS SALES, INC. (USA)
SPECIFICATIONS
body_width1.375 INCHES MAXIMUM IN
body_height1.313 INCHES MAXIMUM IN
body_length1.500 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size0.112 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.112 INCHES NOMINAL SINGLE GROUP IN
thread_quantity_per_inch40 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_operating_current180.0 MILLIAMPERES AC MAXIMUM AND 390.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
NSN5950-01-030-8406
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FUSEHOLDER,EXTRACTOR POST TITLE COMPONENT PN 3-18681 MFR FUSEHOLDER,EXTRACTOR P
KEY FEATURES
•
BODY WIDTH: 1.375 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 0.112 INCHES SINGLE GROUP IN
•
FREQUENCY RATING: 400.0 HERTZ NOMINAL SINGLE COMPONENT
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
MOUNTING METHOD: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
•
THREAD QUANTITY PER INCH: 40 SINGLE GROUP
•
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
•
WINDING OPERATING CURRENT: 180.0 MILLIAMPERES AC MAXIMUM AND 390.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
TECHNICAL CHARACTERISTICS (FLIS)
BODY WIDTH1.375 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.112 INCHES SINGLE GROUP IN
FREQUENCY RATING400.0 HERTZ NOMINAL SINGLE COMPONENT
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
MOUNTING METHODFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
THREAD QUANTITY PER INCH40 SINGLE GROUP
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
WINDING OPERATING CURRENT180.0 MILLIAMPERES AC MAXIMUM AND 390.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
BODY LENGTH1.500 INCHES MAXIMUM IN
WINDING OPERATING VOLTAGE54.00 AC VOLTS NOMINAL OR 36.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
HRJInterchangeable
interchangeable cross-reference
interchangeable
155020AInterchangeable
interchangeable cross-reference
interchangeable
50773Interchangeable
interchangeable cross-reference
interchangeable
A8696Interchangeable
interchangeable cross-reference
interchangeable
30-15259Interchangeable
interchangeable cross-reference
interchangeable
5T1015Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3-18681?
3-18681 is a FUSEHOLDER,EXTRACTOR POST.
What parts can replace 3-18681?
There are 17 known substitutes for 3-18681: HRJ, 155020A, 50773 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3-18681?
3-18681 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-030-8406. 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.
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Last verified: July 2026