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TM 10-8110-203-12&P
(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.
a. USABLE ON CODE. The usable on code appears in the lower left comer of the Description column heading.
Usable on codes are shown as "UOC:.." in the Description Column (justified left) on the last line applicable item
description/nomenclature. Uncoded items are applicable to all models.
b. FABRICATION INSTRUCTIONS. Bulks materials required to manufacture items are listed in the Bulk Material
Functional Group of this RPSTL. Part number for bulk materials are also referenced in the description column of the line
entry for the item to be manufactured/fabricated. Detailed fabrication instructions for items source coded are found in
Appendix G of this manual.
c. INDEX NUMBERS. Items which have the 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 II.
6. HOW TO LOCATE REPAIR PARTS.
a. When National Stock Number or Part Number Is NOT Known.
(1)
First. Using the table of contents, determine the assembly or subassembly group to which the item
belongs. This is necessary since figures are prepared for assembly groups and subassembly groups, and listing are
divided into the same groups.
(2)
Second. Find the figure covering the assembly group or subassembly group to which the item belongs.
(3)
Third. Identify the item on the figure and use the Figure and Item Number Index to find the NSN.
b. When National Stock Number or Part Number is Known.
(1)
First. Using the National Stock Number and Part Number Indexes find the pertinent National Stock
Number or Part Number. The NSN index is in National Item Identification Number (NIIN) sequence (see 4.a.). The part
numbers in the Part Number index are listed in ascending alphanumeric sequence (see paragraph 4.b.). Both indexes
cross-reference you to the illustration/ figure and item number of the item you are looking for.
(2)
Second. Turn to the figure and item number, verify that the item is the one you are looking for, then
locate the item number in the repair parts list for the figure.
7. ABBREVIATIONS. Abbreviations used in this manual are listed in MIL-STD-12.
C-6
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