PS Magazine - TB 43-PS-611
PS, The Preventative Maintenance Monthly
ISSUE 611
OCTOBER 2003
PS 611
OCT 03
17
Small Arms…
The
Latest
on
BFA
s
!
M16-series Rifle/
M4-series Carbine
The BFAs for the M16 and M4 may
look alike, but looks are deceiving. The
M4's BFA, which is yellow, has a slight-
ly larger hole for bleeding off gas than
the M16's, which is red. Switching
BFAs throws off the gas systems and
that causes recoil and feeding problems.
So don't swap M16 and M4 BFAs.
PS 611
Data Link Cables
M249 Machine Gun
The NSN listed on Page C-5 in the
old TM 9-1005-201-10 for the M249's
BFA is no longer good. The correct
NSN is 1005-21-912-8997. This was
corrected in Change 2 to the TM.
Armorers,
remember these
two
points
on blank fir-
ing attachments so
your unit won't draw
a blank on firing
blanks…
hey,
armorers!
the nsn for
my bfa has
changed.
better write
down the new
nsn pdq
…or you’ll
forget!
M4 BFA is yellow and
has slightly larger hole
Data link
cables are
usually
damaged in
these four
ways…
Not being locked into the radar properly.
If the cable is just pushed onto the radar
connector and not locked on, the cable falls
off and is stepped on and damaged. After
you fit the cable connector in place, turn
the sleeve to lock in the cable.
Forgetting to disconnect the
cable before driving away in the
HMMWV.
That yanks the cable
apart. Check that the cable has
been unhooked and stored before
driving off.
Cable is put in a trench and then
covered with rocks.
A vehicle
drives over the trench and the
rocks puncture the cable. Cover
the cable with dirt, not rocks.
Not stowing the cable properly for stor-
age or travel.
A loose cable drags along
the ground and is torn apart. For travel or
storage, wind the cable up on its reel and
then secure it with the reel straps.
oww
oww oww
oww oww
oww
Lock cable
into radar
connector
Disconnect cable before driving off
Wind cable on reel and strap it down
16
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