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PartsTable / COMPONENT / 520/503-1
520/503-1 ✓ 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 520/503-1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-085-7530, 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
520/503-1
NSN: 5935-00-085-7530
FSC: 5935
CAGE: 52335 — DAL-TECH DEVICES, INC. DBA DAL-TECH DEVICES INC DIV DAL-TEC DEVICES, INC (USA)
SPECIFICATIONS
Part Number520/503-1
NSN5935-00-085-7530
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 520/503-1 TITLE COMPONENT PN 520/503-1 MFR 520/503-1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
5027Interchangeable
interchangeable cross-reference
interchangeable
25-0027-03Interchangeable
interchangeable cross-reference
interchangeable
GGG-G-17 TY8CL1STAInterchangeable
interchangeable cross-reference
interchangeable
30377Interchangeable
interchangeable cross-reference
interchangeable
52250Interchangeable
interchangeable cross-reference
interchangeable
5205031Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 520/503-1?
520/503-1 is a 520/503-1.
What parts can replace 520/503-1?
There are 21 known substitutes for 520/503-1: 5027, 25-0027-03, GGG-G-17 TY8CL1STA and 18 more. Substitute compatibility should be verified for your specific system.
Is 520/503-1 still available?
520/503-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026