Maintenance Code. - TM-5-4120-375-24P0007

5-4120-375-24P

Explanation

items with these codes are not to be requested/requisi-

tioned individuality. The parts that makeup the assembled

item must be requisitioned or fabricated and assembled at

the level of maintenance indicated by the source code. If

the 3d position code of the SMR code authorizes you to

replace the item, but the source code indicates the items

are assembled at a higher level, order the item from the

higher level of maintenance.

Explanation

XA -- Do not requisition "XA" -coded item. Order its next higher assembly.

(Also, refer to the NOTE below.)

X B - - If an "XB" item is not available from salvage, order it using the FSCM and

part number given.

XC -- Installation drawing, diagram, instruction sheet, field service drawing, that

is identified by manufacturer's pad number.

XD -- Item is not stocked. Order an "XD" -coded item through normal supply

channels using the FSCM and pad number given, if no NSN is available.

NOTE

Cannibalization or controlled exchange, when authorized, maybe

used as a source of supply for items with the above source codes,

except for those source coded "XA" or those aircraft support items

restricted by requirements of AR 750-1.

(2)

Maintenance Code. Maintenance codes tells you the level(s) of rnainte-

nance authorized to USE and REPAIR support items. The maintenance

codes are entered in the third and fourth positions of the SMR code as fol-

lows:

The maintenance code entered in the third position tells you the low-

(a)

est maintenance level authorized to remove, replace, and use an

item. The maintenance code entered in the third position will indicate

authorization to one of the following levels of maintenance.

Application/Explanation

Code

C -Crew or operator maintenance done within organizational or aviation unit

maintenance.

O-Organizational or aviation unit category can remove, replace, and use the

item.