PS Magazine - TB 43-PS-423
PS, The Preventative Maintenance Monthly
ISSUE 423
FEBRUARY 1988
M24, M25/M25A1 Masks .±²
No Mix and Match
-
Mixing M24 and M25/M25Al hos wOn't sOLve yOur supp±y prOb±ems, NBC
NC²³s, it´L± make them wOrse.
M7 aircRft
mAk hood
For NBC
M24 mask
NBC M5
Tnk ±sk
hood For
M25/M25²1
±sk
The M24´s M7 ho, NSN 4240-µ-¶1-8695, Is s±Ight±y ±arger ·han the M25´s
M5 ho, NSN 4¸0¹µ-8º¹8987» ¼f yOu use the M5 ho On the M24, It´±±
cause the FcebLank tO buckLe. ½hat can rUin the mask»
¼f yOu use ·he M7 ho On ·he M25, the ho
ft
±¾se and can´t sea±»
¿t´s easy tO make sure yOu´ve gOt the right hos» Just check the bags they cOme
in Àr M5 Or M7 markings and the NSN stamP InsIDe each ho.
M17-Series Mask ²³³
-±²
I±sers
W²th A 1FlARe
³´
Dear Editor,
Many soldieR have t±uble getting optical inse²s to stay in their
M17-series masks.
We've solved that p±blem by slightly faring the inse² p±ngs³
With needle nose pLeR, ca´Fuµy bend the two top p±ngs slightly
up¶ Bend the bottom p±ngs slightly down³
³lare prongs
slightly up
and dOn
Push each set oF p±ngs together so that they Fit in the mask
holes³
The optical inse² should
b
in to stay³
CPT TheOo´ ·elton
F
H´
TX
(Eµ¶·'S ¸µ¹:
Su lk
a
ia w
º».
W¼½»¼ GL Y¶U I¹¾¹D ¿µÀ)
Mask NSN Changed
The NSN for the M24 and M25/M25A1
masks' hOse clamp (item 3 On page B-7
in ´M 3-µ8-23&P) has been changed
tO 47¶0-·¸376 in Change 2 (May ¹7)º
Be sure tO make a nOte in yOur ´M's, NBC
NC»'s, if yOu have¼'t gOtten Change 2º If
yOu use the oLd NSN, yOur ORdeR wiLL be
cancELLed½
YOu can nOw get prOtective caps with
NSN 534¾-¾¾¸¿13-¿¾À2 tO keep diRt and
mOistuRe Out Of yOur CObRa's M197 2¾-MM
cannOn baRreLsº Make a nOte until ÁOuR
´M's updatedº
M10 Idler A± SEl NSN
Change 5 tO ´M 9-23Â-217-24P/1 gives
yOu a paRt numbeR fOr the idLeR arm seaLº
´he NSN yOu need fOR Item 25 Of Fig 97
is 533¾-¾1-2¾2-¿2¾¿º
NSN for AN/S-4 ScR
.
NSà 53¾5ľ1-¾44-2227 is fOr the screw
6³8
Sc²per Sight Gl³´
that holds the mOunting adapteR On the bat-
The sight gLass fOr the tRansmissiOn o¼
tery housing assembly Of yOur individuaL
the À21 B scraper is nOt Listed in the parÅs
weapOn night siGhtº
manual½ Æf yOu need One, Order PN 5´52¾4º
Bayonet Grµps
ArmOrers, the Headshed has decided that
since yOU're aLready authOrized tO RemOve
Çe grips On MÀ and M7 bayOneÈ, yOu can
aLsO replace them when necessaryº
InstaLLatiOn and suppLy infOÉs in ´M 9-
1¾¾5-237-23&Pº
A
ÁÂÃÄÅÆ ÇÈ ÇÂÆ
TM
wÉÊË ÃÌÇÂÈÍÉzÆ ÇÂÆ ÅÍÉPÎ ÃÇ ÌÄÏÇ ÊÆvÆÊÐ
Êet a gasket with PN 5´7Ë0º ´he sight
gage assembLy cOsÈ $1º57 and Çe gasket
¿2 cenȺ »rder bOÇ On a DD FOÌ 1Í-À,
using CAÊÎ 11¾¿3, ÏÐC S9Cº
G´
on M¶· Ha¸¹ºl
Ñ
Ñ1¾ËÒ-2Ó-Ô
Ò
wÕng on PaGe 2-Ö
when it pRescRibes »Î/×D» fOR Lubricating
the eLevating handwheeL½ It's sOrta Hard tO
put oiL in a grease fitÅingº Øse ÊÙ inÚteadº
Distribution:
±o b dIs²r³BU²ed In ´ccord´nce W³²h
dA
µorm 12-5¶R, ·or ±¸¹3ser³es.
{
U.S. GOVERNMENT PµIN¶ING OFFICE· 1988¸548¹004/80002
º
·
L'
µ
Would YOU Stake y±²r
LifE
;
0
n
Th³ COnDtIoN ±F ´±²r µqIpm¶·t?
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