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PartsTable / COMPONENT / SC591-1
SC591-1 ✓ 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 color: NATURAL, width: 0.781 INCHES NOMINAL IN, length: 1.391 INCHES NOMINAL IN, body_width: 0.515 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN, body_height: 0.145 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN, body_length: 1.235 INCHES MINIMUM AND 1.285 INCHES MAXIMUM 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 5355-00-559-3572, 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
SC591-1
NSN: 5355-00-559-3572
FSC: 5355
CAGE: 21226 — PRINCETON TOOL INC DIV PARAGON PRECISION (USA)
SPECIFICATIONS
colorNATURAL
width0.781 INCHES NOMINAL IN
length1.391 INCHES NOMINAL IN
body_width0.515 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN
body_height0.145 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
body_length1.235 INCHES MINIMUM AND 1.285 INCHES MAXIMUM IN
inside_width0.223 INCHES NOMINAL IN
overall_depth0.179 INCHES NOMINAL IN
inside_diameter0.251 INCHES NOMINAL IN
special_featuresMATERIAL: ZINC ALLOY
style_designatorBAR
attachment_methodPIN
NSN5355-00-559-3572
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN SC591-1 MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
COLOR: NATURAL
•
GRIPPING SURFACE CONDITION: GRIP AID
•
LENGTH: 1.391 INCHES NOMINAL IN
•
INSIDE WIDTH: 0.223 INCHES NOMINAL IN
•
STYLE DESIGNATOR: BAR
•
OVERALL THICKNESS: 0.875 INCHES NOMINAL IN
•
SHAFT ACCOMMODATION STYLE: FLATTED ONE SIDE
•
ATTACHMENT METHOD: PIN
TECHNICAL CHARACTERISTICS (FLIS)
COLORNATURAL
GRIPPING SURFACE CONDITIONGRIP AID
LENGTH1.391 INCHES NOMINAL IN
INSIDE WIDTH0.223 INCHES NOMINAL IN
STYLE DESIGNATORBAR
OVERALL THICKNESS0.875 INCHES NOMINAL IN
SHAFT ACCOMMODATION STYLEFLATTED ONE SIDE
ATTACHMENT METHODPIN
SPECIAL FEATURESMATERIAL: ZINC ALLOY
OVERALL DEPTH0.179 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
ROM/PROM FAMILY 042Interchangeable
interchangeable cross-reference
interchangeable
SC591-1Interchangeable
interchangeable cross-reference
interchangeable
2732AInterchangeable
interchangeable cross-reference
interchangeable
N3445Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SC591-1?
SC591-1 is a MICROCIRCUIT,DIGITAL.
What parts can replace SC591-1?
There are 4 known substitutes for SC591-1: ROM/PROM FAMILY 042, SC591-1, 2732A and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SC591-1?
SC591-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-00-559-3572. 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