TM5-6115-585-24P NAVFAC  P-8-623-24P TO-35C2-3-455-4 SL-4-05684C/06585B KD An  item  of  depot  overhaul/repair  kit  and  not purchased separately. Depot kit defined as a kit that   provides   items   required   at   the   time   of overhaul  or  repair. KF An item of maintenance kit and not purchased separately. Maintenance kit defined as a kit that provides   an   item   that   can   be   replaced   at organizational   or intermediate   levels   of maintenance. KB MO MF Item  included  in  both  a  depot  overhaul/repair kit and a maintenance kit. Item   to   be   manufactured   or   fabricated   at organizational  level. Item  to  be  manufactured  or  fabricated  at  in- termediate  maintenance  levels. Air  Force—Intermediate  (*) Army—General  Support  (*) Marine  Corps—4th  Echelon Navy—Ashore MD AO AF MG Item  to  be  manufactured  or  fabricated  at  both afloat  and  ashore  intermediate  maintenance levels. Navy use only. Item to be manufactured or fabricated at depot maintenance level. Item to be assembled at organization level. AH Item to be assembled at intermediate maintenance   levels. Air  Force—Intermediate  (*) Army—Direct  Support  (*) Marine Corps—3d Echelon Navy—Afloat Item to be assembled at intermediate maintenance   levels. Air  Force—Intermediate  (*) Army–General   Support   (*) Marine  Corps—4th  Echelon Navy—Ashore AG Item to be assembled at both afloat and ashore intermediate   maintenance   level—Navy   use only. AD XA 2 Item  to  be  assembled  at  depot  maintenance levels. Item  is  not  procured  or  stocked  because  the requirements   for   the   item   will   result   in   the replacement of the next higher assembly. XB XC XD Item is not procured or stocked. If not available through  salvage,  requisition. Installation    drawings,    diagram,    instruction sheet, field service drawing, that is identified by manufacturer’s  part  number. A   support   item   that   is   not   stocked.   When required, item will be procured through normal supply  channels. (*) NOTE For USAF and the USA Safeguard Program, only Code ’’F” will be used to denote intermediate maintenance. On joint programs, use of either code F or H by the joining service will denote intermediate maintenance to USAF and USA Safeguard Program. (2)   Uniform   Maintenance   Codes   applicable   to   all Military   Services   GENERAL:   Maintenance   Codes   are assigned to indicate the levels of maintenance authorized to   USE   and   REPAIR   support   items.   The   Maintenance Codes  are  in  the  third  and  fourth  position  of  the  Uniform SMR Code Format. (a)  USE  (THIRD  POSITION):  The  Maintenance  Code entered   in   the   third   position   indicates   the   lowest   level maintenance level authorized to remove, replace, and use the  support  item.  The  Maintenance  Code  entered  in  the third   position   indicates   one   of   the   following   levels   of maintenance. Code Application/Explanation O Support item is removed, replaced, used at the organizational  level  of  maintenance. F Support item is removed, replaced, used at the following  intermediate  levels: USAF—lntermediate  (*) USA—Direct  Support  (*) USN—Afloat USMC—Third  Echelon G H Support item is removed, replaced, used at both afloat and ashore intermediate levels: Navy only. Support item is removed, replaced, used at the following  intermediate  levels: USAF-l ntermediate (*) USA—General  Support  (*) USN—Ashore  (only) USMC—Fourth  Echelon