PS Magazine - TB 43-PS-678
PS, The Preventative Maintenance Monthly
ISSUE 678
MAY 2009
19
PS 678
MAY 09
A
lmost half of the MK 19 machine gun serial
numbers being recorded in property books or
unique item tracking (UIT) are wrong. These
property book mistakes will come back and bite
armorers when it’s time for inventory or turn-in.
The usual mistake is adding the date stamp or
extra zeroes to the serial number.
Here’s an example of how to correctly read the
ID stamp on the left side of the receiver.
NSN Changes with MWO
Another common property book mistake is not changing the MK 19’s NSN after
MWO 9-1010-230-50-1 has been applied. The NSN should be changed from 1010-
01-126-9063 to 1010-01-490-9697. LIN M92362 stays the same, but “-M” must be
added to the part number.
How do you tell if the MWO
has been applied? The MK 19
will have Fve holes drilled on
the right side of the receiver,
a new sight mounting bracket,
new Fring pin, new Fring pin
sear, a two-piece cocking lever,
and adjustable secondary drive
assembly. If your MK 19s haven’t
been modiFed, notify your MWO
ofFcer. The MWO should have
been completed by June 07.
To report a serial number or NSN change to the LOGSA small arms registry, units
using PBUSE need to do an asset adjustment report (AAR) for serial numbers or an
asset description update (ADU) for NSNs.
Line 1:
Gun 40mm
Line 2:
MK 19 MOD 3
Line 3:
10001 (CAGE code)
and 3269400-M
(part number)
Line 4:
12345 (four or Fve digit
serial number) and
0196 (month and year of
manufacture)
Line 5:
US
The serial number is 12345,
not 123450196.
MK 19 Machine Gun…
CorreCting
Property
Book
Mistakes
units that don’t use pbuse
should submit a trac k
to the logsa unique item
tracking (webuIt) database:
this should go
through your
serialization
officer (so) if
you have one.
for help with the
webuIt , email:
uit@logsa.army.mil
for questions about the
nsn or serial number
changes, contact tacom’s
tony lopez at dsn
7
93-1451,
(309)
7
82-1451, or email:
tony.lopez6@us.army.mil
or call denise argo at
dsn
7
93-
7
338, (309)
7
82-
7
338, or email:
denise.argo@us.army.mil
±ive holes mean MWO
has been applied
uh-oh,
that’s
not
my serial
number.
you better
get that
corrected
pronto
before
the next
inspection.
I thought
that
was
your serial
number.
Serial number is on left side of receiver
678.18-19.indd
1-2
4/1/09
1:49:33 PM
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