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28903-3A ✓ 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 RING,LOCK,KEYED is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-633-1894, 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
28903-3A
NSN: 5365-00-633-1894
FSC: 5365
CAGE: C0297 — GOODRICH CONTROL SYSTEMS GMBH (DEU)
SPECIFICATIONS
Part Number28903-3A
NSN5365-00-633-1894
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,LOCK,KEYED TITLE COMPONENT PN 28903-3A MFR RING,LOCK,KEYED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
64205Interchangeable
interchangeable cross-reference
interchangeable
12480613Interchangeable
interchangeable cross-reference
interchangeable
70113Interchangeable
interchangeable cross-reference
interchangeable
SUND1903862Interchangeable
interchangeable cross-reference
interchangeable
KR5A15Interchangeable
interchangeable cross-reference
interchangeable
RD24395-5AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28903-3A?
28903-3A is a RING,LOCK,KEYED.
What parts can replace 28903-3A?
There are 10 known substitutes for 28903-3A: 64205, 12480613, 70113 and 7 more. Substitute compatibility should be verified for your specific system.
Is 28903-3A still available?
28903-3A 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