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Technical Data Sheet
PartsTable / COMPONENT / 203D2
203D2 ✓ 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 general_characteristics_item_description: STEEL; PAINTED OLIVE DRAB; 4.875 IN. LG; 4.062 IN.

W; 3.125 IN. H; 0.047 IN. THK IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4540-00-691-1774, 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
203D2
NSN: 4540-00-691-1774
FSC: 4540
CAGE: 89529 — STERLING MFG CO (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL; PAINTED OLIVE DRAB; 4.875 IN. LG; 4.062 IN. W; 3.125 IN. H; 0.047 IN. THK IN
NSN4540-00-691-1774
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 203D2 MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL; PAINTED OLIVE DRAB; 4.875 IN. LG; 4.062 IN. W; 3.125 IN. H; 0.047 IN. THK IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL; PAINTED OLIVE DRAB; 4.875 IN. LG; 4.062 IN. W; 3.125 IN. H; 0.047 IN. THK IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
389349-1Interchangeable
interchangeable cross-reference
interchangeable
SN74193N3Interchangeable
interchangeable cross-reference
interchangeable
581R500J12Interchangeable
interchangeable cross-reference
interchangeable
M5020Interchangeable
Same NIIN cross-reference
interchangeable
57002-1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 203D2?
203D2 is a MICROCIRCUIT,DIGITAL.
What parts can replace 203D2?
There are 5 known substitutes for 203D2: 389349-1, SN74193N3, 581R500J12 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 203D2?
203D2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4540-00-691-1774. 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