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Technical Data Sheet
PartsTable / COMPONENT / 4104B
4104B ✓ 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 width: 1.125 INCHES NOMINAL IN, skirt_style: FLARED, skirt_design: DETACHABLE, overall_depth: 0.688 INCHES NOMINAL IN, inside_diameter: 0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN, screw_drive_type: HEXAGON SOCKET. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-00-284-5186, 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
4104B
NSN: 5355-00-284-5186
FSC: 5355
CAGE: 72512 — DAVIES MOLDING LLC DBA HARRY DAVIES MOLDING CO (USA)
SPECIFICATIONS
width1.125 INCHES NOMINAL IN
skirt_styleFLARED
skirt_designDETACHABLE
overall_depth0.688 INCHES NOMINAL IN
inside_diameter0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
screw_drive_typeHEXAGON SOCKET
special_featuresTERMINAL QTY-16
style_designatorFLUTED FOILS
attachment_methodSETSCREWS
overall_thickness0.812 INCHES NOMINAL IN
reference_markingLINE
nominal_thread_size0.164 INCHES SCREW HOLE IN
NSN5355-00-284-5186
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 4104B MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE: 0.391 INCHES NOMINAL IN
•
WIDTH: 1.125 INCHES NOMINAL IN
•
ATTACHMENT METHOD: SETSCREWS
•
SCREW DRIVE TYPE: HEXAGON SOCKET
•
OVERALL THICKNESS: 0.812 INCHES NOMINAL IN
•
SKIRT DESIGN: DETACHABLE
•
SKIRT OUTSIDE DIAMETER: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE0.391 INCHES NOMINAL IN
WIDTH1.125 INCHES NOMINAL IN
OVERALL DEPTH0.688 INCHES NOMINAL IN
ATTACHMENT METHODSETSCREWS
SCREW DRIVE TYPEHEXAGON SOCKET
OVERALL THICKNESS0.812 INCHES NOMINAL IN
SKIRT DESIGNDETACHABLE
SKIRT OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
STYLE DESIGNATORFLUTED FOILS
NOMINAL THREAD SIZE0.164 INCHES SCREW HOLE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
MS91531-1F1BInterchangeable
interchangeable cross-reference
interchangeable
NASM91531Interchangeable
interchangeable cross-reference
interchangeable
S311-64BBLInterchangeable
interchangeable cross-reference
interchangeable
MS91531-3F2BInterchangeable
interchangeable cross-reference
interchangeable
511617Interchangeable
interchangeable cross-reference
interchangeable
39-150-04Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4104B?
4104B is a MICROCIRCUIT,DIGITAL.
What parts can replace 4104B?
There are 28 known substitutes for 4104B: MS91531-1F1B, NASM91531, S311-64BBL and 25 more. Substitute compatibility should be verified for your specific system.
Is 4104B still available?
4104B is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026