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Re: Torque that nut, baby <9504061513.AA03022@raptor>

To: paisley@boulder.nist.gov (Scott W. Paisley)
Subject: Re: Torque that nut, baby <9504061513.AA03022@raptor>
From: Berry Kercheval <kerch@parc.xerox.com>
Date: Thu, 6 Apr 1995 10:22:01 PDT
Cc: triumphs@autox.team.net, kerch@parc.xerox.com
>>>Scott W. Paisley said:
 > use some blue locktite (271 I believe)

271(tm) is obsolete, according to the "Loctite User's Guide" I got at the 
bearing shop while picking up bearings for my airplane's nose gear.  
262 replaces it.  They recommend Primer N first, and to use 277 if it's
over 1" diameter.

Here is a table from page 8, Loctite Threadlocker Quick Selector

   Use      Strength  Product          Color
-------------------------------------------------
Small screws    Low     222             Purple
nuts & bolts    Med     242(tm) or 243  Blue
Pre-Assembled   Med     290             Green 
Nuts & Bolts    High    262             Red
Studs (<1")     High    262             Red
Studs (>1")     High    277             Red

They also list a large variety of stuff for restoring stripped threads, sealing 
pipe fittings, gaskets, setting keys, rustproofing and so on.

Not to sound like a Loctite ad, but you can call 800 323 5106 for "product 
availability, technical information and material safety data sheets".
THe brocure I have is "LT-1475". 

("Preassembled" means locking adjusting screws in place, and the like)
  --berry

Berry Kercheval :: Xerox Palo Alto Research Center


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