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Technical Data Sheet
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5577503 ✓ 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 RIVETED,BRACKET ASSEMBLY is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5220-00-387-9579, 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
5577503
NSN: 5220-00-387-9579
FSC: 5220
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
Part Number5577503
NSN5220-00-387-9579
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RIVETED,BRACKET ASSEMBLY TITLE COMPONENT PN 5577503 MFR RIVETED,BRACKET ASSEMB
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
4812Interchangeable
interchangeable cross-reference
interchangeable
51863Interchangeable
interchangeable cross-reference
interchangeable
R26343Interchangeable
interchangeable cross-reference
interchangeable
R1885SNInterchangeable
interchangeable cross-reference
interchangeable
Z4153RCInterchangeable
interchangeable cross-reference
interchangeable
Z4153Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5577503?
5577503 is a RIVETED,BRACKET ASSEMBLY.
What parts can replace 5577503?
There are 15 known substitutes for 5577503: 4812, 51863, R26343 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5577503?
5577503 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5220-00-387-9579. 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