REPAIR PARTS AND SPECIAL TOOLS LIST
EXPLANATION OF CROSS-REFERENCE INDEXES WORK PACKAGES FORMAT AND
3. Reference Designator Index Work Package. Reference designators in this index are listed in
ascending alphanumeric sequence (vertical arrangement of letter and number combination which
places the first letter or digit of each group in order "A through Z", followed by the numbers "0 through
9" and each following letter or digit in like order.)
REFERENCE DESIGNATOR Column. Indicates the reference designator assigned to the item.
FIG Column. This column lists the number of the figure where the item is identified/ located in the
ITEM Column. The item number is the number assigned to the item as it appears in the figure
referenced in the adjacent figure number column.
UOC. The UOC 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 under the
applicable item/nomenclature. Uncoded items are applicable to all models. There are no UOCs in
FABRICATION INSTRUCTIONS. Bulk materials required to manufacture items are listed in the bulk
material functional group of this RPSTL. Part numbers for bulk material 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 coded to be manufactured or fabricated are found in
appropriate appendices of this manual.
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 NSN/ P/N
index work packages and the bulk material list in the repair parts list work package.
HOW TO LOCATE REPAIR PARTS
1. When NSNs or P/Ns Are Not Known.
First. Using the table of contents, determine the assembly group to which the item belongs. This is
necessary since figures are prepared for assembly groups and subassembly groups, and lists are
divided into the same groups.
Second. Find the figure covering the functional group or the sub-functional group to which the item
Third. Identify the item on the figure and note the number(s).
Fourth. Look in the repair parts list work packages for the figure and item numbers. The NSNs and
part numbers are on the same line as the associated item numbers.
2. When NSN Is Known.
First. If you have the NSN, look in the STOCK NUMBER column of the NSN index work package.
The NSN is arranged in NIIN sequence. Note the figure and item number next to the NSN.