APPENDIX  F EXPENDABLE   SUPPLIES   AND   MATERIALS   LIST Section I. INTRODUCTION F-1.  Scope.  This  appendix  lists  expendable  sup- plies  and  materials  you  will  need  to  operate  and maintain   the   target   set,   azimuth   laying.   These items are authorized to you by CTA50-970, Expen- dable Items (except Medical, Class V, Repair Parts and   Heraldic   Items). F-2. Explanation of Columns. a.  Column  1  - Item  Number.  This  number  is assigned to the entry in the listing and is referenc- ed   in   the   narrative   instructions   to   identify   the material. b. Column 2- Level.  This  column  identifies  the lowest level of maintenance that requires the listed item. c. Column 3- National Stock Number.  This is the  national  stock  number  assigned  to  the  item; use it to request or requisition the item. d. Column 4- Description. Indicates the federal item  name  and,  if  required,  a  description  to  iden- tify the item. The last line for each item indicates the  part  number  followed  by  the  Federal  Supply Code  for  Manufacturer  (FSCM)  in  parenthesis,  if applicable. e. Column 6- Unit of Measure (U). Indicates  the measure   u s e d    in performing t h e actual maintenance  function.  This  measure  is  expressed by  a  two-character  alphabetical  abbreviation  (e.g., each  (es),  inch  (in),  pair  (pr),  etc.).  If  the  unit  of measure  differs  from  the  unit  of  issue,  requisition the  lowest  unit  of  issue  that  will  satisfy  your  re- quirements. Section II. EXPENDABLE SUPPLES AND MATERIALS LIST (1) (2) (3) (4) (5) NATIONAL ITEM STOCK NUMBER LEVEL NUMBER DESCRIPTION U/M 1 C 6810-00-223-2739 Acetone,  Technical,  1  pt  can  Fed  Spec  MMM-A-185 2 C 6850-00-664-5683 Cleaning  Solvent,  Fed  Spec  P-D-680 QT 3 C 7920-00-401-8034 Cloth,  lint  free,  nonabrasive,  General  Purpose, BX Part No. 1001 4 C 9150-00-985-7244 Grease, Instrument and, Aircraft (GIA) TW MIL-G-23827 5 C 6640-00-597-6745 Paper, Lens Tissue (4 in. x 6 in.) 50 sheets PK 6 C 9150-00-252-6382 Lubricating  Oil  Watchmaking BT 7 C 5120-01-018-5908 Orange Sticks 13218E3063 (97403) PK PT F-1/(F-2  blank)