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Technical Data Sheet
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2503538 ✓ 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 WASHER,FLAT 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 6650-00-228-8440, 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
2503538
NSN: 6650-00-228-8440
FSC: 6650
CAGE: 07187 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL (USA)
SPECIFICATIONS
Part Number2503538
NSN6650-00-228-8440
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WASHER,FLAT TITLE COMPONENT PN 2503538 MFR WASHER,FLAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
X39-551Interchangeable
interchangeable cross-reference
interchangeable
9-049-100895Interchangeable
interchangeable cross-reference
interchangeable
72487Interchangeable
interchangeable cross-reference
interchangeable
SCC37453Interchangeable
interchangeable cross-reference
interchangeable
B16-261Interchangeable
interchangeable cross-reference
interchangeable
CL1294Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2503538?
2503538 is a WASHER,FLAT.
What parts can replace 2503538?
There are 15 known substitutes for 2503538: X39-551, 9-049-100895, 72487 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2503538?
2503538 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6650-00-228-8440. 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