EXPLANATION OF CROSS-REFERENCE INDEXES WORK PACKAGES FORMAT AND COLUMNS CONTIN-
2. Part Number (P/N) Index Work Package. P/Ns in this index are listed in ascending alphanumeric se-
quence (vertical arrangement of letter and number combinations which places the irst 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).
PART NUMBER Column.
Indicates the part number assigned to the item.
FIG. Column. This column lists the number of the igure where the item is identiied/located in the repair parts
list and special tools list work packages.
ITEM Column. The item number is the number assigned to the item as it appears in the igure reference in
the adjacent igure 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 (justiied left) on the irst line under the applicable item/nomenclature. Un-
coded items are applicable to all models. Identiication of the UOCs used in the RPSTL are:
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 fabri-
cated are found in TM 1-1500-204-23.
Items, which have the word BULK in the igure column, will have an index number shown in the item number col-
umn. 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
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 igures are prepared for assembly groups and subassembly groups, and lists are divided into the same
Find the igure covering the functional group or the sub-functional group to which the item belongs.
Identify the item on the igure and note the number(s).
Fourth. Look in the repair parts list work packages for the igure and item numbers. The NSNs and part num-
bers are on the same line as the associated item numbers.
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 igure and item number next to the NSN.
Turn to the igure and locate the item number. Verify that the item is the one you are looking for.
When P/N Is Known.
First. If you have the P/N and not the NSN, look in the PART NUMBER column of the P/N index work package.
Identify the igure and item number.
Look up the item on the igure in the applicable repair parts list work package.