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C40A ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: SILICON SEMICONDUCTOR, hole_depth: 0.188 INCHES NOMINAL IN, hole_diameter: 0.375 INCHES NOMINAL IN, overall_length: 0.688 INCHES NOMINAL IN, flange_diameter: 4.625 INCHES NOMINAL IN, special_features: FURNISHED WITH 4MACHINE SCREWS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-218-4234, 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
C40A
NSN: 4320-00-218-4234
FSC: 4320
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
hole_depth0.188 INCHES NOMINAL IN
hole_diameter0.375 INCHES NOMINAL IN
overall_length0.688 INCHES NOMINAL IN
flange_diameter4.625 INCHES NOMINAL IN
special_featuresFURNISHED WITH 4MACHINE SCREWS
counterbore_depth0.375 INCHES NOMINAL IN
features_providedHERMETICALLY SEALED CASE
body_inside_diameter2.562 INCHES NOMINAL IN
counterbore_diameter3.438 INCHES NOMINAL IN
body_outside_diameter3.875 INCHES NOMINAL IN
internal_flange_lip_width0.156 INCHES NOMINAL IN
NSN4320-00-218-4234
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEMICONDUCTOR DEVICE,DIODE TITLE COMPONENT PN C40A MFR SEMICONDUCTOR DEVICE,D
KEY FEATURES
•
MATERIAL: COPPER ALLOY
•
BODY OUTSIDE DIAMETER: 3.875 INCHES NOMINAL IN
•
INTERNAL FLANGE OUTSIDE DIAMETER: 3.000 INCHES NOMINAL IN
•
FLANGE DIAMETER: 4.625 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.375 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 2.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY
BODY OUTSIDE DIAMETER3.875 INCHES NOMINAL IN
INTERNAL FLANGE OUTSIDE DIAMETER3.000 INCHES NOMINAL IN
FLANGE DIAMETER4.625 INCHES NOMINAL IN
OVERALL LENGTH0.688 INCHES NOMINAL IN
HOLE DIAMETER0.375 INCHES NOMINAL IN
BODY INSIDE DIAMETER2.562 INCHES NOMINAL IN
SPECIAL FEATURESFURNISHED WITH 4MACHINE SCREWS
COUNTERBORE DEPTH0.375 INCHES NOMINAL IN
UNTHREADED MOUNTING HOLE DIAMETER0.188 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
22791Interchangeable
interchangeable cross-reference
interchangeable
2871170Interchangeable
interchangeable cross-reference
interchangeable
C40AInterchangeable
interchangeable cross-reference
interchangeable
BS5-1524PC3-20Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C40A?
C40A is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace C40A?
There are 4 known substitutes for C40A: 22791, 2871170, C40A and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C40A?
C40A is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-218-4234. 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