TM 11-6625-3023-24P ET904-AA-PLL-010/E154 TS3684 TO 33A1-8-901-4-1
F-Direct support or aviation intermediate category can remove, replace, and use the item.
H-General support category can remove, replace, and use the item.
L- Specialized repair activity can remove, replace, and use the item.
D-Depot category can remove, replace, and use the item.
(b) The maintenance code entered in the fourth position tells whether or not the item is to be repaired and identifies
the lowest maintenance category with the capability to do complete repair (i.e., perform all authorized repair functions) This
position will contain one of the following maintenance codes.
Some limited repair may be done on the item at a lower category of maintenance, if authorized by
the Maintenance Allocation Chart (MAC) and SMR codes.
0-Organizational or aviation unit is the lowest category that can do complete repair of the item.
F-Direct support or aviation intermediate is the lowest category that can do complete repair of the item.
H-General support is the lowest category that can do complete repair of the item.
L-Specialized repair activity (designate the specialized repair activity) is the lowest category that can do complete
repair of the item.
D-Depot is the lowest category that can do complete repair of the item.
Z-Nonreparable. No repair is authorized.
B- No repair is authorized. (No parts or special tools are authorized for the maintenance of a 'B" coded item). How-
ever, the item may be reconditioned by adjusting, lubricating, etc., at the user category.
(3) Recoverability code. Recoverability codes are assigned to items to indicate the disposition action on
unserviceable items. The recoverability code is entered in the fifth position of the SMR Code as follows:
Z-Nonreparable Item. When unserviceable, condemn and dispose of the item at the category of maintenance shown in
the third position of SMR Code.
0- Reparable item. When uneconomically reparable, condemn and dispose of the item at organizational or aviation unit
F-Reparable item. When uneconomically reparable, condemn and dispose of the item at direct support or aviation
H-Reparable item. When uneconomically reparable, condemn and dispose of the item at general support category.
D-Reparable item. When beyond lower category repair capability, return to depot. Condemnation and disposal of item not
authorized below depot category.
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
c. FCM(Column (3)). The Federal Supply Code for Manufacturer (FSCM) is a 5-digit numeric code which is used to
identify the manufacturer, distributor, or Government agency, etc., 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.
When you use a NSN to requisition an item, the item you receive may have a different part number
from the part ordered.
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) 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. Qty (Column (6)). 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 in lieu of a quantity
indicates that the quantity is variable and the quantity may vary from application to application.
4. Explanation of Columns (Section IV)
a. National Stock Number (NE) Index.
(1) Stock number column. This column lists the NSN by National item identification number (MIN) sequence.