TM-9-2350-358-BD
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A6
TECHNICAL MANUAL; OPERATOR’S, UNIT, AND DIRECT SUPPORT SUPPORT MAINTENANCE
MARCH 1994
TM-9-2350-358-BD - Page 315 of 343
TM 9-2350-358-BD
APPENDIX D
SUBSTITUTE MATERIALS/PARTS
BDAR FIXES SHALL BE USED ONLY IN COMBAT OR FOR
TRAINING AT THE DISCRETION OF THE COMMANDER.
(AUTHORIZED TRAINING FIXES ARE LISTED IN APPENDIX E.) IN
EITHER CASE, DAMAGES SHALL BE REPAIRED BY STANDARD
MAINTENANCE PROCEDURES AS SOON AS PRACTICABLE.
SECTION I.
INTRODUCTION
D-1.
SCOPE
This appendix lists spares and repair parts which can be taken from other systems and used on the M109A6 Howitzer.
These parts are cross-referenced by National Stock Number (NSN), name, and weapon system.
There are two basic
sections that list interchangeable parts.
Section II lists howitzer spare and repair parts that can be replaced directly with
parts found in other weapon systems.
Table D-1 covers interchangeable hull parts by functional group code.
Table D-2
covers interchangeable cab parts by functional group code.
Table D-3 lists other countries with U S combat vehicles that
can be used as alternate sources of supply.
Section III provides detailed information covering the types, uses, and effects
of substitute fuels, lubricants, and hydraulic fluids used In the M109A6 Howitzer.
Table D-4 lists substitute lubricants and
hydraulic fluids.
Table D-5 contains substitute fuels for diesel fuel.
D-2.
GENERAL
Spares and repair parts are organized by NSN and therefore can be requisitioned throughout the military system The NSN
parts classification system Is a reliable and quick method In which to identify parts In a battlefield situation, this system will
be invaluable as time, maintenance, and supply demands increase.
SECTION II.
INTERCHANGEABLE PARTS
D-3.
SCOPE
This section lists and cross-references M109A6 Howitzer spares and repair parts to other weapon systems having these
parts.
D-4.
GENERAL
Parts carrying the same NSN require no modification prior to installation in the howitzer.
Parts carrying different NSNs
may require some mounting modifications before installation.
Table D-3 identifies nations owning American combat
vehicles that may have repair parts or equipment available for scavenging
D-5.
EXPLANATION OF COLUMNS - TABLE D-1 & TABLE D-2
a.
Column lists interchangeable parts by manufacturer’s part number (P/N).
b.
Column 2 lists parts by NSN in National Item Identification Number (NIIN) sequence (i.e., the last nine
numbers In the NSN are in numerical order), within each functional group.
c.
Column 3 describes the parts by noun nomenclature.
d.
Columns 4 identify the applicable weapon system in which the same part can be found.
An "X" appears In
the column under the weapon system where the part is found.
D-1
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