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104556 ✓ 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 material: MICA OVERALL, overall_width: 4.460 INCHES NOMINAL IN, overall_height: 0.012 INCHES NOMINAL IN, overall_length: 5.000 INCHES NOMINAL IN, inside_diameter: 0.687 INCHES NOMINAL IN, outside_diameter: 0.875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5970-00-188-4575, 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
104556
NSN: 5970-00-188-4575
FSC: 5970
CAGE: 71313 — VIKING TECHNOLOGIES, LTD. (USA)
SPECIFICATIONS
materialMICA OVERALL
overall_width4.460 INCHES NOMINAL IN
overall_height0.012 INCHES NOMINAL IN
overall_length5.000 INCHES NOMINAL IN
inside_diameter0.687 INCHES NOMINAL IN
outside_diameter0.875 INCHES NOMINAL IN
style_designatorROUND, FLAT
aperture_diameter2.800 INCHES NOMINAL IN
surface_treatmentANODIZE OVERALL
gage_ring_thickness0.076 INCHES MINIMUM AND 0.084 INCHES MAXIMUM IN
bolt_circle_diameter4.000 INCHES NOMINAL IN
fsc_application_dataFUEL LINES,FABRICATED,AIRFRAME
NSN5970-00-188-4575
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 104556 MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
STYLE DESIGNATOR: ROUND, FLAT
•
MATERIAL: MICA OVERALL
•
INSIDE DIAMETER: 0.687 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.012 INCHES NOMINAL IN
STYLE DESIGNATORROUND, FLAT
MATERIALMICA OVERALL
INSIDE DIAMETER0.687 INCHES NOMINAL IN
OUTSIDE DIAMETER0.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
104556Interchangeable
interchangeable cross-reference
interchangeable
53-58070-7Interchangeable
interchangeable cross-reference
interchangeable
S8P482Interchangeable
interchangeable cross-reference
interchangeable
43875Interchangeable
interchangeable cross-reference
interchangeable
104551Interchangeable
interchangeable cross-reference
interchangeable
5962PL0836577Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 104556?
104556 is a MICROCIRCUIT,DIGITAL.
What parts can replace 104556?
There are 11 known substitutes for 104556: 104556, 53-58070-7, S8P482 and 8 more. Substitute compatibility should be verified for your specific system.
Is 104556 still available?
104556 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026