TM10-5411-200-24P TO35E4-177-4 USAF - Intermediate (*) USA - General Support (*) USN - Ashore USMC - Fourth Echelon (*)  NOTE:  For  USAF  programs  and  the USA  Safeguard  Program.  Code  F  will  be used to de-note intermediate maintenance. On joint programs, use of either Code F or H by   the   joining   Service   will   denote intermediate  level  of  USAF  and  the  USA Safeguard   Program. 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 b e l o w    d e p o t, Specialized   Repair   Activity level. A Item  requires  special  handling or   condemnation   procedure 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. c.   (USMC)   Special Stockage Indicator   Code   and   Replacement   Factor (column  3). (1)  Special  Stockage  Indicator  Code. This  column  reflects  the  condition  under which   certain   maintenance   parts   (parts assigned NSN’S and ended in the “P” series source code of the SMR code), are stocked. The codes are explained as follows: No  Code  Indicates  that  the  part  may  or may not be authorized in initial a l l o w a n c e s    t o    u s i n g    or supporting   organizations.   The manner   of   determining   initial allowances   is   explained   in paragraph (2) below. I Applied to maintenance parts for which   predicted   consumption would  not  warrant  inclusion  in Mount-  Out  but,  for  which  a quantity of one (1) is authorized as   insurance   for   Mount-Out using  a  360  day  This  criteria  is based  on  the  total  density  of equipments   employed   by   the DIV/WING   TEAM.   Mount-Out allowances,  so  authorized,  will be  stocked  by  the  FSR  or  the MWSG  in  the  case  of  Marine Wing  peculiar  equip-  ment,  as applicable. D Applied  to  maintenance  parts that  are  not  considered  critical or  essential  to  be  on  hand  and are, therefore, not authorized in initial   allowances;   however, these  items  are  stocked  within the  Supply  System  and  may  be re-     quisitioned     based     upon usage. T Indicates   that   the   part   is authorized in garrison operating allowances  in  order  to  comply with   state   and   local   laws; however,  the  part  is  not  autho- rized in Mount-Out since it is not combat  essential. (2) Replacement Factor. This column reflects the replacement factor assigned to e a c h    n a t i o n a l l y    s t o ck numbered maintenance   repair   part.   This   factor   is assigned  to  the  repair  part  on  its  first appearance   in   the   publication.   The replacement factor, expressed as a decimal, indicates the average rate at which the type of item so coded has been used by Marine Corps field units or the rate at which design engineers anticipate the item will fail, wear out, or otherwise require replacement. All computa tions are based on a replacement period   of   one   year. Therefore,  a replacement  factor  of  0.08,  applied  to  an item in this stock list, indicates that eight out of every one hundred of such items used in the end item of equipment to which this 5