Thread Protectors - Just will not stay tight.

General silencer discussion. If you want to talk about a specific silenced rifle or pistol, it is best to do that in the rifle or pistol section for that brand.

All NFA laws apply.

Moderators: mpallett, renegade, bakerjw

Post Reply
User avatar
KSmoker
Member
Posts: 49
Joined: Tue May 13, 2008 1:37 pm

Thread Protectors - Just will not stay tight.

Post by KSmoker » Wed Feb 26, 2014 6:27 pm

So now I have a few threaded barrels and while my 22 hosts have proven to be a non-issue as both have a large shoulder they lock up to. Every one of my centerfire pistols will not keep a thread protector on. Does anyone have a good option that wouldn't gunk up the threads? (aka no teflon tape or loc-tite please)

RJT
Silent But Deadly
Posts: 718
Joined: Wed Jul 31, 2013 4:42 pm
Location: SoTx

Re: Thread Protectors - Just will not stay tight.

Post by RJT » Wed Feb 26, 2014 6:43 pm

Thin o-ring?
You keep using that word. I do not think it means what you think it means.

User avatar
doubloon
Silent But Deadly
Posts: 11901
Joined: Thu Jan 01, 2009 1:02 am
Location: Houston-ish

Re: Thread Protectors - Just will not stay tight.

Post by doubloon » Wed Feb 26, 2014 10:58 pm

-deleted off topic stuff-

ETA: oops you said you're worried about the "thread protector" so forget most of what's posted above ... I never shoot with the thread protector on the barrel and that has solved all my problems w/r/t thread protectors coming loose.

You could cut the thread protector in half to make two skinny thread protectors out of the one then tighten the two skinny protectors against each other and that would probably keep them in place.

Or get an O-ring as suggested above or get a Nord-Lock or a split washer but DO NOT use the washer with the suppressor.
http://www.youtube.com/watch?v=BDtd2jNIwAU MUSAFAR!
http://www.youtube.com/watch?v=8CrOL-ydFMI This is Water DavidW
Complete Form 1s http://www.silencertalk.com/forum/viewtopic.php?f=10&t=79895

SpeedyR
Member
Posts: 39
Joined: Sat Dec 05, 2009 6:54 pm
Location: GA

Re: Thread Protectors - Just will not stay tight.

Post by SpeedyR » Thu Feb 27, 2014 3:40 pm

I know on the FNP/FNX this was an issue. most of the guys bought these o-rings from McMaster. just stick one on there, screw down the protector and be done with it. I installed one when I got my FNX 45 and haven't had it come loose.

http://www.mcmaster.com/#9263k296/=qvnt63

just get the size that's appropriate for your caliber and be good to go.

User avatar
KSmoker
Member
Posts: 49
Joined: Tue May 13, 2008 1:37 pm

Re: Thread Protectors - Just will not stay tight.

Post by KSmoker » Thu Feb 27, 2014 5:36 pm

Thank you speedy, that sounds like a fix. Does anyone have the P/N for viton o-rings that would work on 1/2x28?

nhoj_yelbom
Member
Posts: 10
Joined: Fri Feb 28, 2014 12:18 am

Re: Thread Protectors - Just will not stay tight.

Post by nhoj_yelbom » Fri Feb 28, 2014 12:29 am

i also need 9mm oring size please

misternt
New Member
Posts: 4
Joined: Tue Dec 24, 2013 2:35 am

Re: Thread Protectors - Just will not stay tight.

Post by misternt » Fri Feb 28, 2014 2:26 am

My 22/45 lite came with a wave washer to hold on the thread protector.

User avatar
StoneyGherkin
Member
Posts: 30
Joined: Wed Feb 19, 2014 11:11 pm
Location: PNW

Re: Thread Protectors - Just will not stay tight.

Post by StoneyGherkin » Sun Mar 02, 2014 2:18 am

Granger makes a spring washer/ wave washer that is a good replacement for the 1/2 28 thread size. You might check them for the dimensions you need.
"il corporativismo è la pietra angolare dello Stato fascista"

User avatar
silencertalk
Site Admin
Posts: 33985
Joined: Mon Apr 25, 2005 9:31 am
Location: USA

Re: Thread Protectors - Just will not stay tight.

Post by silencertalk » Sun Mar 02, 2014 3:55 am

Teflon tape for pipe threads from Home Depot won't gunk up anything.

-k-
Industry Professional
Posts: 1136
Joined: Wed Aug 23, 2006 2:48 pm
Location: OR

Re: Thread Protectors - Just will not stay tight.

Post by -k- » Mon Mar 03, 2014 10:31 am

I use a 1mm O-ring, 10mm ID on 1/2-28 threads with thread relief.

Post Reply