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Technical Data Sheet
PartsTable / COMPONENT / C4-30
C4-30 ✓ 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 SEMICONDUCTOR DEVICE,THYRISTOR is a the manufacturer industrial component. Key specifications include material: STEEL, special_features: W/MOUNTING HARDWARE, end_item_identification: CONTROLLER AC STC LVP, pipe_outside_diameter_accommodated: 2.688 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2990-00-122-0658, 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
C4-30
NSN: 2990-00-122-0658
FSC: 2990
CAGE: 35301 — DRESSER INDUSTRIES INC LEROI DIV (USA)
SPECIFICATIONS
materialSTEEL
special_featuresW/MOUNTING HARDWARE
end_item_identificationCONTROLLER AC STC LVP
pipe_outside_diameter_accommodated2.688 INCHES IN
NSN2990-00-122-0658
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEMICONDUCTOR DEVICE,THYRISTOR TITLE COMPONENT PN C4-30 MFR SEMICONDUCTOR DEVICE,T
KEY FEATURES
•
MATERIAL: STEEL
•
PIPE OUTSIDE DIAMETER ACCOMMODATED: 2.688 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESW/MOUNTING HARDWARE
MATERIALSTEEL
PIPE OUTSIDE DIAMETER ACCOMMODATED2.688 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
RC-256Interchangeable
interchangeable cross-reference
interchangeable
CSR-2011Interchangeable
interchangeable cross-reference
interchangeable
RC-251Interchangeable
interchangeable cross-reference
interchangeable
1100-7Interchangeable
interchangeable cross-reference
interchangeable
14082Interchangeable
interchangeable cross-reference
interchangeable
08375Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C4-30?
C4-30 is a SEMICONDUCTOR DEVICE,THYRISTOR.
What parts can replace C4-30?
There are 33 known substitutes for C4-30: RC-256, CSR-2011, RC-251 and 30 more. Substitute compatibility should be verified for your specific system.
Is C4-30 still available?
C4-30 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026