Rob Rickards

Rob Rickards

Active Member
Hello all I have searched here and on the net without success.
These bolts were not supplied in any of my kits.
The vans kit has no callouts.(different servos?)
Silverhawk manual says the holes are .250-20 UNC-3B Helicoil thread. Vertical induction of course with the fab

What is the an or mil spec? For the bolts.

I have read the posts re different issues with the FAB. Looking for the bolt and nut size in particular and any methods used to ensure it stays put.
Thanks in advance
 
Same as RSA5?

I believe that would be standard (grade 5 or better) 1/4-20 bolt. Per Vans, make sure they have drilled heads and safety wire them.
I tried to sub an AN bolt once but they are not threaded along the entire length and can bottom out before the FAB is properly secured.
 
Last edited:
Thanks!

Thanks Walt and jdeas!
Walt Thanks not just for this but also the many useful and interesting posts.:)
 
Check that you don't bottom out

Walt said:
MS20074-04-03 BOLT CRS 1/4-20 THRD AN74A3
Click to expand...

The FAB has a thin top. If you use the AN74A3 make sure you don't bottom out the threads. Even with a washer and a doubler plate I couldn't get that bolt to fit to my satisfaction on a Bendix RSA-5
 
I used Philister head screws. They are threaded all the way and drilled. Don't have the MS number handy. I'm not Walt and not worthy!
 
Source?

I found these at Mcmaster Carr :

90124A540 Grade 5 Steel Wire-Lockable Cap Screw, 1/4"-20 Thread, 3/4" Long, Fully Threaded, Packs of 10
Per Pack
11.24
 
Bolts found

For anyone else looking for these bolts in the kits I found them!
In the FAB kit would you believe. Ricght where they should be?

Bag 939 FAB 360 HW
4.000 WASHER TAB LOCK 1/ TAB LOCK WASHER
939 FAB 360 HW 1.000 MS21919WDG3 CLAMP 3/16"
939 FAB 360 HW 4.000 1/4-20X1/ BOLT, HEX HEAD
939 FAB 360 HW 6.000 K1000-3 PLATENUT
939 FAB 360 HW 6.000 AN3-4A BOLT
939 FAB 360 HW 6.000 AN960-10 WASHER (AN3)
939 FAB 360 HW 7.000 SD-42-BSLF POP RIVET
939 FAB 360 HW 0.010 AN426AD3-5 RIVETS (LB)
939 FAB 360 HW 0.030 AN470AD3-4 RIVET
939 FAB 360 HW 1.000 F 1/4 PIPE PLUG PLTD, ALLEN HD
 
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