(2) Maintenance code. Maintenance codes are entered in the third and fourth positions. They indicate the level of maintenance authorized to Use and Repair the support item as defined below. (a) Use. This maintenance code entered in the third position indicates the lowest maintenance level authorized to remove, replace, and use the support item. The Use maintenance level is in- dicated by one of the codes defined below. Code Explanation and Application C. . . . Crew or operator maintenance performed within organizational maintenance. O . . . .Support item is removed, replaced, used at the organizational level. F. . . . .Support item is removed, replaced, used at the direct support level. H. . . . Support item is removed, replaced, used at the general support level. D. . . . . .Support item is removed, replaced, used at Depot, Mobile Depot, Specialized Repair activity only. (b) Repair. This maintenance code entered in the fourth position indicates whether the item is to be repaired. It identifies the lowest maintenance level with the capability to perform complete repair of all authorized maintenance functions. This position contains one of the following maintenance codes assigned by the service(s) that require the code as defined below. Code 0. . . . . F. . . . . H. . . . . . D. . . . . . . L.... . . . . Z ..... B. . . . . . . Explanation and Application The lowest maintenance level capable of complete repair of the support item is the organizational level. The lowest maintenance level capable of complete repair of the support item is the direct support level. The lowest maintenance level capable of complete repair of the support item is the general support level. The lowest maintenance level capable of complete repair of support item is the depot level, per- formed by Depot, Mobile Depot, or Specialized Repair Activity. Repair restricted to designated Specialized Repair Activity. Non-reparable. No repair is authorized. No repair is authorized. The item may be reconditioned by adjusting, lubrication, etc., at the user level. No parts or special tools are procured for the maintenance of this item. (3) Recoverability code. This code is entered in the fifth position. It is assigned to a support item to indicate the disposition action on an un- serviceable item. This fifth position contains one of the codes defined below. Code Definition Z . . . . .Nonreparable item. When unserviceable, con- demn and dispose at the level indicated in third position (Use). 0 . . . . . . . Reparable item. When not economical to repair, condemn and dispose at organizational level. F. . . . . . . . . . . . Reparable item. When not economical to repair, condemn and dispose at the direct support level. Code Definition H. . . . . Reparable item. When not economical to repair, condemn and dispose at the general support level. D. . . . . . Reparable item. When beyond lower-level repair capability, return to depot. Condemnation and disposal not authorized below depot level. L. . . .Reparable item. Repair, condemnation and disposal not authorized below Depot/ Specialized Repair Actitvity level. A. . . . . . . .Item requires special handling because of specific reasons (i.e., precious metal content, high dollar value, critical material, or hazardous material). Refer to appropriate manuals / directives for specific instructions. b. Federal Stock Number, Column 2. Indicates the Federal stock number assigned to the item and will be used for requisitioning purposes. NOTE Federal Stock Numbers that are missing for PA or PB source-coded items are not currently recorded in the AMDF. When these stock numbers are broadcast in the AMDF they will be provided by a change to this manual. c. Description, Column 3. Indicates the Federal item name and a minimum description required to identify the item. The last line indicates the reference number followed by the applicable Federal Supply Code for Manufacturer (FSCM) in parentheses. The FSCM is used as an element in item identification to designate manufacturer or distributor or Government agency, etc., and is identified in SB 708-42. Items that are included in kits and sets are listed below the name of the kit or set with quantity of each item in the kit or set in- dicated in front of the item name. Material required for manufacture of fabrication is identified. d. Unit of Measure (U / M). Column 4. In- dicates the standard or basic quantity by which the listed item is used in performing the actual maintenance function. This measure is expressed by a two-character alphabetical abbreviation, e.g., ea, in, pr, etc., and is the basis used to indicate quantities and allowances in subsequent columns. When the unit of measure differs from the unit of issue, the lowest unit of issue that will satisfy the required units of measure will be requisitioned. e. Quantity Incorporated in Unit, Column 5. Indicates the quantity of the item used in the functional group. A “V” appearing in this column in lieu of a quantity indicates that a definite quantity cannot be indicated (e.g. shims, spacers, etc.). f. 30-Day DS / GS Maintenance Authorization, Columns 6 and 7. (1) The Repair Parts List includes asterisk (*) entries in separate columns—one for Direct Support (DS) and one for General Support (GS)— 4