Nose gear shock discs replacement -- clevis bolt

[PeterRus]

Quite often the clevis bolt that secures the collar over the shock discs needs replacing.
That is a $300 “Mooney” part if you use the “Mooney” part but a standard AN clevis bolt will do fine.
Those are more in the $30 range, and you can’t get that part out of Mooney right now any way

This is from a mechanic -- could anyone comment on the clevis bolt being proper "mooney" vs "non-mooney"?

[47U]

7 hours ago, PeterRus said:

This is from a mechanic -- could anyone comment on the clevis bolt being proper "mooney" vs "non-mooney"?

What we (might) have here is a failure to communicate.  Or something like that.

The bolt through the collar that retains the shock discs is a standard AN5-16A (AN5-15A in my early IPC).  Less than a dollar ea. on Spruce, and $1.08 from LASAR.

 

However, the bolt at the bottom of the shock link is an AN7-22A, $3.60 from Spruce.  BUT, this bolt has a shaved head so it can be installed past the ears on the spindle assy… which you won’t find for sale on Spruce.  LASAR sells this bolt for $270.06 (almost $300).   I guess you could take the Spruce bolt to the bench grinder, but it won’t be nearly as pretty as the Mooney version.  A machine shop could probably shave the head of a Spruce bolt and re-cad plate it so it looks pretty, but I’m not sure what they might charge for that service.  

Edited 22 hours ago by 47U
Erroneous info.

[N201MKTurbo]

There is a guy at the airport with a mill. I could modify the bolt in about 10 minutes. Warner Propellor will replate hardware for $100 a batch. So, I can make you one for about $120. I could make 100 for about $250.

[PT20J]

The heads in the two LASAR bolts don’t have the same markings. There may be a material strength difference. Anyone know what the concave depression in the nose gear bolt signifies?

[cbarry]

1 hour ago, PT20J said:

The heads in the two LASAR bolts don’t have the same markings. There may be a material strength difference. Anyone know what the concave depression in the nose gear bolt signifies?

It can only indicate the hole in our wallets! Actually, I think it may indicate a close tolerance proof tested bolt.

[N201MKTurbo]

I think it is an NAS1304 close tolerance high sheer bolt.

 

[47U]

5 hours ago, 47U said:

However, the bolt at the bottom of the shock link is an AN7-22A, $3.60 from Spruce.

I can’t read my own IPC… the AN7 bolt is index 14, the shaved bolt is index 15… Mooney doesn’t list the mil-spec pn equivalent…