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PartsTable / COMPONENT / 121903
121903 ✓ Verified by PartsTable
Hama · 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 Hama industrial component. Key specifications include material: OVERALL,RUBBER,FLUORSILICONE,TYPE LS-53-71984, overall_height: 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN, outside_diameter: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN, style_designator: FLAT, ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5970-00-515-0929, 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
121903
NSN: 5970-00-515-0929
FSC: 5970
CAGE: 09306 — INVENSYS SYSTEMS, INC. DBA SCHNEIDER ELECTRIC (USA)
SPECIFICATIONS
materialOVERALL,RUBBER,FLUORSILICONE,TYPE LS-53-71984
overall_height0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
outside_diameter0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
style_designatorFLAT, ROUND
NSN5970-00-515-0929
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Hama MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 121903 MFR Hama MICROCIRCUIT,DIGITAL
KEY FEATURES
•
MATERIAL: OVERALL,RUBBER,FLUORSILICONE,TYPE LS-53-71984
•
STYLE DESIGNATOR: FLAT, ROUND
•
OUTSIDE DIAMETER: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALOVERALL,RUBBER,FLUORSILICONE,TYPE LS-53-71984
STYLE DESIGNATORFLAT, ROUND
OVERALL HEIGHT0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
F26X3Interchangeable
interchangeable cross-reference
interchangeable
121903Interchangeable
interchangeable cross-reference
interchangeable
121902Interchangeable
interchangeable cross-reference
interchangeable
8424566-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121903?
121903 is a MICROCIRCUIT,DIGITAL manufactured by Hama.
What parts can replace 121903?
There are 4 known substitutes for 121903: F26X3, 121903, 121902 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 121903?
121903 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5970-00-515-0929. 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