[TowerTalk] Nylok nuts

[Don W7WLL]

When I picked up some Nylock's from the local marine supply house for the 
fishing fleet in Newport they said there are counterfit Nylok nuts on the 
market and you need to be careful that you don't end up with them, the 
insert is (according to them) often some material like but not the grade of 
plastic that Nylok uses and will fail.

I also thought that there was a rule on the auto side (way back when I 
worked on cars) that since a Nylock degrades each time it is removed that 
the max reuse was 3 times, but replacement is better. I use some Nylock's on 
my antennas here on the coast just off the ocean and they get a LOT of UV 
and salt, but have held up.

Don W7WLL

-----Original Message----- 
From: N2TK, Tony
Sent: Thursday, July 06, 2017 3:12 AM
To: 'Roger (K8RI) on TT' ; towertalk at contesting.com
Subject: Re: [TowerTalk] Nylok nuts

Roger,
That is weird. Checked a can of old Nyloks that had been outside for years.
The nylon insert looked fine. Been using Nyloks for years without that issue
up to 5/8". Except for the tower (Rohn galvanized) itself and the rotator to
mast clamps (plated #8 hardened bolts so I can really crank down on them),
all hardware including u-bolts are SS using Nyloks with anti-seize. No lock
washers. I just use flat washers. Never had a nut loosen after 24 years. I
do not reuse Nyloks, just in case.
73,
N2TK, Tony

-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of Roger
(K8RI) on TT
Sent: Thursday, July 06, 2017 3:58 AM
To: towertalk at contesting.com
Subject: [TowerTalk] Nylok nuts

Nylok nuts do not last around here. I thought it was UV, but many have told
me that Nylon is impervious, or resistant to UV.  I had based my thoughts
that the nuts oriented so the nylon was up were the first to go.  The nylon
virtually disappeared out of them, so I finally gave up on them.

73

Roger (K8RI)


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