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515055-2 ✓ 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 RETAINING JOIN 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 5365-00-172-9526, 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
515055-2
NSN: 5365-00-172-9526
FSC: 5365
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
Part Number515055-2
NSN5365-00-172-9526
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING RETAINING JOIN TITLE COMPONENT PN 515055-2 MFR RING RETAINING JOIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1729Interchangeable
interchangeable cross-reference
interchangeable
R5AInterchangeable
interchangeable cross-reference
interchangeable
17X165Interchangeable
interchangeable cross-reference
interchangeable
4L220Interchangeable
interchangeable cross-reference
interchangeable
K570Interchangeable
interchangeable cross-reference
interchangeable
FD222Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 515055-2?
515055-2 is a RING RETAINING JOIN.
What parts can replace 515055-2?
There are 12 known substitutes for 515055-2: 1729, R5A, 17X165 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 515055-2?
515055-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-172-9526. 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