TM 5-3895-370-14&PF-3. EXPLANATION OF COLUMNS (SECTION II) (CONT).XA-Do not requisition an 'XA"-coded item. Order its next higher assembly. (Also, refer to the NOTE below.)XB-If an "XB' coded item is not available from salvage, order it using the CAGEC and part number given.XC-Installation drawing, diagram, instruction sheet, field service drawing, etc., that is identified by manufacturer's partnumber.XD-Item is not stocked. Order an "XD"-coded item through normal supply channels using the CAGEC and partnumber given, if no NSN is available.NOTECannibalization or controlled exchange, when authorized, may be used as a sourceof supply for items with the above source codes, except for those coded "XA."(2)Maintenance Code. Maintenance codes tell you the level(s) of maintenance authorized to USE andREPAIR support items. The maintenance codes are entered in the third and fourth positions of the SMRcode as follows:(a)The maintenance code entered in the third position tells you the lowest maintenance level authorizedto remove, replace, and use an item. The maintenance code entered in the third position will indicateauthorization to one of the following levels of maintenance:CodeApplication/ExplanationC-Crew or operator maintenance done with organizational maintenanceO-Organizational can remove, replace, and use the item.F-Direct support level can remove, replace, and use the item.H-General support level can remove, replace, and use the item.L-Specialized repair activity (SRA) can remove, replace, and use the item.D-Depot level can remove, replace, and use the item.(b)The maintenance code entered in the fourth position indicates whether the item is to be repaired andidentifies the lowest maintenance level with the capability to perform complete repair (i.e. all authorizedmaintenance functions). (NOTE: Some limited repair may be done on the item at a lower level ofmaintenance, if authorized by the Maintenance Allocation Chart (MAC) and SMR Codes.) This positionwill contain on of the following maintenance codes:CodeApplication/ExplanationO-Organizational is the lowest level that can do complete repair of the item.F-Direct support is the lowest level that can do complete repair of the item.H-General support is the lowest level that can do complete repair of the item.L-SRA is the lowest level that can do complete repair of the item.D-Depot level is the lowest level that can do complete repair of the item.Z-Nonreparable. No repair is authorizedB-No repair is authorized. (No parts or special tools are authorized for the maintenance of a "B"-codeditem.) However, the item may be reconditioned by adjustment, lubrication, etc., at the user level.(3)Recoverability Code. Recoverability codes are assigned to items to indicate the disposition onunserviceable items. The recoverability code is entered in the fifth position of the SMR code as follows:F-3
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