MWO-9-2320-272-20-7
MODIFICATION OF 5-TON M939 AND M939A1 SERIES TRUCKS
BRAKE PROPORTIONING VALVE KIT; MODIFICATION WORK ORDER
FEBRUARY 1996
MWO-9-2320-272-20-7 - Page 4 of 14
MWO 9-2320-272-20-7
7.
TECHNICAL PUBUCATIONS AFFECTED/CHANGED AS A RESULT OF THIS MWO.
Technical Publication
Date
TM 9-2320-272-10
24 July 1984, w/chg 5, 7 Jun, 1993
TM 9-2320-272-20
25 October 1985, w/chg 3, 25 Mar, 1991
TM 9-2320-272-20P
02 September 1988
TM 9-2320-272-34P-1
12 May 1988
8.
MWO KITS, PARTS, AND THEIR DISPOSITION.
a.
The following kit is required to accomplish this modification.
The security classification of the kit
is unclassified.
Shipping data are (estimated):
Weight: 2 lbs.; measurements: 15-in.
x
6-in.
x
10-in.; Volume 0.09 cu. ft.
NOMENCLATURE
NSN
CAGEC
PART NO.
FRONT BRAKE VALVE KIT
2530-01420-4221
19207
57K3237
b.
The Brake Proportioning Valve Kit component parts are listed below.
This listing is used to inventory the kit
for completeness.
NOMENCLATURE
NSN
CAGEC
PART NO.
QUANTITY
MWO Plate
19207
10930014
1
Front Brake Valve
19207
11602155
1
Plate, Template
19207
12450248
1
Strap, Tiedown
96906
MS3367-2-0
2
Screw
96906
MS21318-20
1
Nut
96906
MS51943-34
2
Screw
80204
B1821BH031F088N
2
Adapter
81343
8-6 120102B
2
Elbow
81343
8-6 120202B
1
Elbow
81343
8-6 100202BA
1
c.
Bulk and expendable material used to apply the Brake Proportioning Valve Kit are listed below.
NOMENCLATURE
NSN
CAGEC
PART NO.
QTY.
Pipe Sealant
05972
592-31
1
d.
Parts Disposition.
All parts not used during installation will be returned to stock for disposition in
accordance with AR 725-50.
4
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