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511966-4 — Technical Data Sheet

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— · 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 HOLDBACK 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 1720-00-490-4228, 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
511966-4
NSN: 1720-00-490-4228
FSC: 1720
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
Part Number511966-4
NSN1720-00-490-4228
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOLDBACK ASSEMBLY TITLE COMPONENT PN 511966-4 MFR HOLDBACK ASSEMBLY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
416729-4Same_fsc
same_fsc cross-reference
same_fsc
416728-2Same_fsc
same_fsc cross-reference
same_fsc
420049-1Same_fsc
same_fsc cross-reference
same_fsc
L6607Same_fsc
same_fsc cross-reference
same_fsc
515272-5Same_fsc
same_fsc cross-reference
same_fsc
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 511966-4?
511966-4 is a HOLDBACK ASSEMBLY.
What parts can replace 511966-4?
There are 5 known substitutes for 511966-4: 416729-4, 416728-2, 420049-1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 511966-4?
511966-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1720-00-490-4228. 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: September 2026