ARMY TM 10-4610-309-24P
MARINE CORPS TM10802A-24P/2
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL)
NSN (Column (3)). The NSN for the item is listed in this column.
CAGEC (Column (4)). The Commercial and Government Entity Code (CAGEC) is a five-digit code
which is used to identify the manufacturer, distributor, or Government agency/activity that supplies the
PART NUMBER (Column (5)). 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 engineering drawings, specifications, standards, and inspection requirements to
identify an item or range of items.
When you use an NSN to requisition an item, the item you receive may have a
different P/N from the number listed.
DESCRIPTION AND USABLE ON CODE (UOC) (Column (6)). This column includes the following
1. The federal item name, and when required, a minimum description to identify the item.
2. P/Ns of bulk materials are referenced in this column in the line entry to be manufactured or
3. Hardness Critical Item (HCI). A support item that provides the equipment with special protection
from electromagnetic pulse (EMP) damage during a nuclear attack.
4. The statement END OF FIGURE appears just below the last item description in column (6) for a
given figure in both the repair parts list and special tools list work packages.
QTY (Column (7)). The QTY (quantity per figure) column indicates the quantity of the item used in the
breakout shown on the illustration/figure, which is prepared for a functional group, subfunctional group,
or an assembly. A "V" appearing in this column instead of a quantity indicates that the quantity is
variable and quantity may change from application to application.
EXPLANATION OF CROSS-REFERENCE INDEXES WORK PACKAGES FORMAT AND COLUMNS
1. National Stock Number (NSN) Index Work Package.
STOCK NUMBER Column. This column lists the NSN in National item identification number (NIIN)
sequence. The NIIN consists of the last nine digits of the NSN. NSN When using this column to locate an
(e.g., 5385-01-574-1476) item, ignore the first four digits of NIIN the NSN. However, the complete NSN
should be used when ordering items by stock number.
FIG. Column. This column lists the number of the figure where the item is identified/located. The
figures are in numerical order in the repair parts list and special tools list work packages.
ITEM Column. The item number identifies the item associated with the figure listed in the adjacent FIG.
column. This item is also identified by the NSN listed on the same line.
2. Part Number (P/N) Index Work Package. P/Ns in this index are listed in ascending alphanumeric
sequence (vertical arrangement of letter and number combinations 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).