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521952-1 — Technical Data Sheet

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— · 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,DIODE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, end_similarity: IDENTICAL, overall_length: 11.000 INCHES NOMINAL IN, first_end_style: PLAIN, first_end_diameter: 0.2497 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3040-01-306-8479, 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
521952-1
NSN: 3040-01-306-8479
FSC: 3040
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
materialSTEEL COMP 303
end_similarityIDENTICAL
overall_length11.000 INCHES NOMINAL IN
first_end_stylePLAIN
first_end_diameter0.2497 INCHES NOMINAL IN
NSN3040-01-306-8479
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEMICONDUCTOR DEVICE,DIODE TITLE COMPONENT PN 521952-1 MFR SEMICONDUCTOR DEVICE,D
KEY FEATURES
•
END SIMILARITY: IDENTICAL
•
FIRST END DIAMETER: 0.2497 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 303
•
FIRST END STYLE: PLAIN
TECHNICAL CHARACTERISTICS
END SIMILARITYIDENTICAL
FIRST END DIAMETER0.2497 INCHES NOMINAL IN
MATERIALSTEEL COMP 303
FIRST END STYLEPLAIN
OVERALL LENGTH11.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
725089InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
S4210InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
S4110InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
R564InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
250-00564InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LD4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 521952-1?
521952-1 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 521952-1?
There are 7 known substitutes for 521952-1: 725089, S4210, S4110 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 521952-1?
521952-1 is cataloged in the Federal Logistics Information System under NSN 3040-01-306-8479. 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: October 2026