PS Magazine - TB 43-PS-687
PS, The Preventative Maintenance Monthly
ISSUE 687
FEBRUARY 2010
22
PS 687
FEB 10
23
PS 687
FEB 10
Dear Sergeant E.C.,
The racks inside the arms room need approved low security padlocks. NSN 5340-
00-158-3805 brings a padlock that will work with most of the weapons racks. But
for the MK 19’s rack you will need a bigger padlock, which comes with NSN 5340-
01-408-8434.
The door to the arms room vault, however, requires a high security padlock.
The Department of Defense Lock Program website lists all the available low
security and high security padlocks. Go to:
navfac/navfac_ww_pp/navfac_nfesc_pp/locks
Dear Half-Mast,
We are not sure what locks we need to use for the racks in our arms
room. Do the racks need a high security padlock or just a normal padlock?
SGT E.C.
O
ver the last few years, modiFcation work orders (MWOs) have considerably
changed small arms like the M16 rifle, M4 carbine and the MK 19 machine gun. And
the -23&P TMs for these weapons have been changed to reflect these modiFcations.
NSNs for parts no longer used because of the MWOs were deleted, while the NSNs
for the new parts were added.
Unfortunately, some armorers aren’t keeping their TMs current. So, when they
look up replacement parts in the -23&P, they end up ordering parts that are no longer
used. They “de-mod” their weapons with the old parts, ruining the modiFcations
meant to improve the weapons.
The good news is that it isn’t that difFcult to keep TMs current. Check with your
pubs clerk that your TM account is up-to-date and that all TM changes will be
automatically shipped to you. When you receive TM changes, post the changes so
your TMs are accurate.
Of course, all the current small arms TMs can be found on the ETMs
Online website:
Dear Half-Mast,
When you store the
M68 and other small
arms sights, should you
remove the batteries?
SGT T.K.
Dear SGT T.K.,
Generally, if the sight is going to sit more than
one week it is a good idea to remove the batteries.
Then leaking batteries can’t fatally
damage the sight.
Should We
Remove Sight
Batteries?
Small Arms…
Don’t De-mod!
Use Current TMs
Small Arms…
Where
Do I Get
Arms Room
Locks?
Small Arms…
Should We
Remove Sight
Batteries?
looks like we
need to order
some repair
parts for you.
let me just look
up the nsns.
hey,
wait a minute.
I’ve been
modified.
you need to get
the current tm!
you’re not going
to use me for a
weeK, so remove
my batteries.
that way we
won’t have any
surprises!
hmmm,
do we need a
high security or low
security lock for you?
low
security
will do.
that old
tm won’t
show the
parts I
use now.
687.22-23.indd
1-2
12/21/09
4:29:20 PM
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