PS Magazine - TB 43-PS-714
PS, The Preventative Maintenance Monthly
ISSUE 714
MAY 2012
41
PS 714
MAY 12
M21 BFA–
The M21 doesn’t have an overall NSN, but instead has three separate
components: chamber and discriminator assembly, NSN 1005-01-142-2841; weapon
spare parts ordnance bag, NSN 8105-01-147-9841; and M1/M1A1 tank fring
attachment adapter, NSN 1005-01-218-0693.
These
items
cannot
be
ordered
with one NSN–they must be ordered
individually.
The
chamber
and
discriminator
assembly and the ordnance bag should
be used on the M240, M240C and
M240E.
But
the
M1/M1A1
fring
attachment adapter should be used
only on the M240 when it’s being fred
From an M1/M1A1 tank.
± The±Spider±consists±of±a±control±station±and±field±elements,±
all
±of±which±require±batteries.±
Here±are±the±required±non-rechargeable±batteries:
M24 BFA–
The M24, NSN 1005-
01-480-0289, is the only authorized
B±A For the M240B, M240D, M240H,
M240L, and M240N. The M24 does
not need a discriminator–it’s a stand-
alone item.
The M24 B±A has two repair parts:
the shaFt, NSN 5340-01-481-8127, and
pull ring, NSN 5325-01-480-6849.
IF you’re ever in doubt, check TM 9-1005-313-10 and the -23&P For the correct
NSNs and confgurations.
Component
Battery
NSN 6135-01-
Batteries
Required
Batteries
in PKG
RCUT
MCU, MCUT,
Repeater
MCU, MCUT
BA-5360/U
LSH-20
SAFT Ultra-life
U10026
8
one
one
2
4 each per MCU,
MCUT and Repeater
4 each per MCU
and MCUT
517-4955
463-7077
566-1034
M240-Series±Machine±Gun…
Which BFA to Use
Batteries to
Power
Your
Spider!
there are
two
different
bfas (blank firing
attachments) that
can be used on the
various m240 machine
guns, but they
aren’t
interchangeable.
units are
confused
which
bfa goes with
which m240
model, so
here’s the
scoop…
we’re
supposed to
be training
with
blanks
today…
…but with
so many
different
types of
m240s, I
don’t know
which bfa to
use with each
one of you!
Use±M21’s±chamber±
and±discriminator±
assembly±and±ordnance±
bag±with±M240,±M240C±
and±M240E
M1/M1A1±firing±attachment±is±only±for±M240±fired±from±M1/M1A1±tank
M24±goes±with±M240B,±M240D,±
M240H,±M240L±and±M240N
XM7±Spider±Area±Denial±System…
The Army is fielding
me,
the
Spider Area
Denial System,
NSN 1230-01536-0128,
LIN M9238
7
.
I’m
replacing
the Army’s
anti-
personnel
land
mines.
714 40-41.indd
1-2
4/2/12
5:35 PM
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