TM-9-2350-311-24P-1
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LIST
SEPTEMBER 1994
TM-9-2350-311-24P-1 - Page 16 of 637
TM 9-2350-311-24P-1
(2) PART NUMBER column.
Indicates the primary number used by the manufacturer (individual,
firm, corporation, or Government activity), which controls the design and characteristics of the item by means of its
engineering drawings, specifications standards, and inspection requirements to identify an item or range of items.
(3) STOCK NUMBER column. This column lists the NSN for the associated part number and
manufacturer identified in the PART NUMBER and CAGEC columns to the left.
(4) FIG. coIumn. This column lists the number of the figure where the item is identified/located in
Section II and Ill.
(5) ITEM column. The item number is that number assigned to the item as it appears in the figure
referenced in the adjacent figure number column.
(1) FIG.
Co
Iumn. This column lists the number of the figure where the item is identified/located in
Section II and Ill.
(2) ITEM column. The item number is that number assigned to the item as it appears in the figure
referenced in the adjacent figure number column.
(3) STOCK NUMBER column. This column lists the NSN for the item.
(4) CAGEC column. The Commercial and Government Entity Code (CAGEC) is a 5-digit numeric
code used to identify the manufacturer, distributor, Government agency, etc., which supplies the item.
(5) PART NUMBER column. Indicates the primary number used by the manufacturer (individual,
firm, corporation, or Government activity), which controls the design and characteristics of the item by means of its
engineering drawings, specifications standards, and inspection requirements to identify an item or range of items.
5. Special Information. Use the following subparagraphs as applicable:
a. USABLE ON CODE The usable on code appears in the lower left corner of the Description Column
heading. Usable on codes are shown as “UOC: . . . . . . “ in the Description Column (justified left) on the first line
applicable item description/nomenclature. Uncoded items are applicable to all models. Identification of the usable
on codes used in the RPSTL are:
Code
Used On
NBC
M109A4/M109A5
U56
M109A3
U45
M109A2
b. FABRICATION INSTRUCTIONS. Bulk materials required to manufacture items are listed in the Bulk
Material Functional Group of this RPSTL. Part numbers for bulk materials are also referenced in the description
column of the line item entry for the item to be manufactured/fabricated. Detailed fabrication instructions for items
source codes to be manufactured or fabricated are found in TM 9-2350-311-20-1 and TM 9-2350-311-34-1.
c. ASSEMBLY INSTRUCTION. Detailed assembly instructions for items source coded to be assembled
from component part/repair parts are found in TM 9-2350-311-20-1 and TM 9-2350-311-34-1. Items that make up
the assembly are listed immediately following the assembly item entry or reference is made to an applicable figure.
d. KITS. Line item entries for repair parts kits appear in a group in Section II (see table of contents).
e. INDEX NUMBERS. Items which have the word BULK in the figure column will have an index number
shown in the item number column. This index number is a cross-reference between the National Stock
Number/Part Number Index and the Bulk Material list in Section Il.
6
c. FIGURE AND ITEM NUMBER INDEX.
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