EXPLANATION OF INDEX FORMAT AND COLUMNS (SECTION IV).

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Maintenance Code

TM-5-1940-277-20P Boat Bridge Erection Twin Jet Aluminum Hull MODEL USCSBMK1 (1940-01-105-5728) MODEL USCSBMK2 (1940-01-218-9165) Manual

SPECIAL INFORMATION.

TM 5-1940-277-20P

TM 1940-20P/4

Maintenance

Code

Application/Explanation

Z-

Nonreparable item. When unserviceable, condemn and dispose of the item at the level of maintenance

shown in 3d position of SMR Code.

O-

Reparable item. When not economically reparable, condemn and dispose of the item at unit or AVUM level.

F-

Reparable item. When uneconomically reparable, condemn and dispose of the item at the direct support or

AVIM level.

H-

Reparable item. When uneconomically reparable, condemn and dispose of the item at the general support

level.

D-

Reparable item. When beyond lower level repair capability, return to depot. Condemnation and disposal of

item not authorized below depot level.

L-

Reparable item. Condemnation and disposal not authorized below specialized repair activity (SRA).

A-

Item requires special handling or condemnation procedures because of specific reasons (e.g., precious metal

content, high dollar value, critical material, or hazardous material). Refer to appropriate manuals/directives

for specific instructions.

c. CAGEC (Column (3)). The Commercial and Government Entity Code (CAGEC) is a 5-digit numeric code which is

used to identify the manufacturer, distributor, or Government agency/activity that supplies the item.

d. PART NUMBER (Column (4)). 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.

NOTE

When you use an NSN to requisition an item, the item you receive may have a

different part number from the number listed.

e. DESCRIPTION AND USABLE ON CODE (UOC) (Column (5). This column includes the following information:

(1) The Federal item name and, when required, a minimum description to identify the item.

(2) Part numbers of bulk materials are referenced in this column in the line entry to be manufactured/fabricated.

(3) The statement "END OF FIGURE" appears just below the last item description in Column (5) for a given figure in

both Section II and Section III.

f. OTY (Column (6). 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 '" "

appearing in this column instead of a quantity indicates that the quantity is variable and may vary from application to

application.

4. EXPLANATION OF INDEX FORMAT AND COLUMNS (SECTION IV).

a. NATIONAL STOCK NUMBER (NSN) INDEX.

(1) 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, i.e.

NSN

5305-01-574-1467

NIIN

When using this column to locate an item, ignore the first four digits of the NSN. Use the complete NSN (13 digits) when

requisitioning items by stock number.