Need Help Identifying HVAC Bracket Bolt

[RustysBronco]

Last few weeks, I've heard an annoying squeak under the hood, only to find a missing bolt on the bracket that secures the aluminum HVAC lines to the chassis. Might anyone be able to tell me the part number for the bolt that secures the bracket in place?

Under hood picture attached for reference.

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[RustysBronco]

Tagging our resident parts guru @flip as well for help.

 

[Ducati1098]

Hard to see exactly what you’re circling in the picture. Here is a diagram of the A/c lines, but I don’t see any bolts.

 

[RustysBronco]

Hard to see exactly what you’re circling in the picture. Here is a diagram of the A/c lines, but I don’t see any bolts.

Super helpful! Its the nut labeled HN1.

 

[Ducati1098]

Super helpful! Its the nut labeled HN1.

W520413-S440

 

[RustysBronco]

W520413-S440

Thank you!

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