MANDATORY REPLACEMENT PARTS
Section I. INTRODUCTION
I-1. SCOPE. This appendix lists mandatory replacement parts you will need to have when performing maintenance on
the Water Tank Storage Chest (WTSC). Any time a maintenance procedure is performed that requires you to remove
any of the items shown on this list, you are required to replace that item with a new one. You will know that your proce-
dure requires one of these replacement parts when the statement "(Appendix I, Item X)" appears in the '"Materials Re-
quired" area of the Initial Setup portion of the maintenance procedures in Chapter 4.
I-2. EXPLANATION OF COLUMNS. The table shown in Section II identifies the parts which must be replaced during
maintenance of the WTSC An explanation of the columns in each in this table is as follows.
a. Column (1) - Item number. This number is assigned to the entry in this listing and is referenced in the narra-
tive instructions to identify the material (e.g., "Rivet (Appendix I, Item 1).
b. Column (2) - CAGEC. The Contractor and Government Entity Code (CAGEC) is a 5-dcgit numeric code which
is used to identify the manufacturer, distributor, or Government agency, etc., that supplies the item.
c. Column (3) - Part Number. Indicates the primary number used by the manufacturer (individual, company,
firm, corporation, or Government activity), which controls the design and characteristics of the item by means of its engi-
neering drawings, specifications standards, and inspection requirements to identify an item or range of items.
d. Column (4) - Nomenclature. This column identifies the common name for the part in accordance with the
name given to the part on the applicable engineering drawing or specification.