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GC503D1 ✓ 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 GC503D1 is a the manufacturer industrial component. Key specifications include storage_facility: PREFERRED DOCK LEVEL UNHEATED WAREHOUSE GENERAL PURPOSE AND ALTERNATE GROUND LEVEL UNHEATED WAREHOUSE GENERAL PURPOSE, general_characteristics_item_description: STEEL BASE W/THREADED BOLT AND LOCKWASHER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5975-00-757-8138, 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
GC503D1
NSN: 5975-00-757-8138
FSC: 5975
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
storage_facilityPREFERRED DOCK LEVEL UNHEATED WAREHOUSE GENERAL PURPOSE AND ALTERNATE GROUND LEVEL UNHEATED WAREHOUSE GENERAL PURPOSE
general_characteristics_item_descriptionSTEEL BASE W/THREADED BOLT AND LOCKWASHER
NSN5975-00-757-8138
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GC503D1 TITLE COMPONENT PN GC503D1 MFR GC503D1
KEY FEATURES
•
STORAGE FACILITY: PREFERRED DOCK LEVEL UNHEATED WAREHOUSE GENERAL PURPOSE AND ALTERNATE GROUND LEVEL UNHEATED WAREHOUSE GENERAL PURPOSE
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL BASE W/THREADED BOLT AND LOCKWASHER
TECHNICAL CHARACTERISTICS (FLIS)
STORAGE FACILITYPREFERRED DOCK LEVEL UNHEATED WAREHOUSE GENERAL PURPOSE AND ALTERNATE GROUND LEVEL UNHEATED WAREHOUSE GENERAL PURPOSE
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL BASE W/THREADED BOLT AND LOCKWASHER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
1560620Interchangeable
interchangeable cross-reference
interchangeable
4703-200626Interchangeable
interchangeable cross-reference
interchangeable
DC100J10004FInterchangeable
interchangeable cross-reference
interchangeable
DC1X000J10004FInterchangeable
interchangeable cross-reference
interchangeable
486129Interchangeable
interchangeable cross-reference
interchangeable
BIRD CC1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GC503D1?
GC503D1 is a GC503D1.
What parts can replace GC503D1?
There are 14 known substitutes for GC503D1: 1560620, 4703-200626, DC100J10004F and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GC503D1?
GC503D1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5975-00-757-8138. 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