1-50. What  does  the  “5920”  indicate? 1. Material  control  code 2. Navy–owned  stocks 3. Electrical  and  electronic fuses  and  lightning  arresters 4. Electrostatic   discharge sensitive  material 1–51. NSNs are composed of which of the following  parts? 1. NCB numbers 2. NIINs 3. FSC numbers 4. All of the above 1–52. The FSC system is a tool to permit classification  of  all  items  of supply used by the federal government. 1. True 2. False 1-53. Which  of  the  following  information is included as part of the federal classification   system? 1. Item  naming,  description,  and classification 2. Item  numbering,  if  carried under  centralized  inventory control 3. Publication  of  catalogs  and related  identification  data 4. All of the above 1–54. For which of the following reasons may you NOT want to package a turn-in item before it is delivered  to  supply? 1. Packaging is not your responsibility 2. Proper  packing  instructions are controlled by supply 3. Supply  is  the  only  department authorized  to  package  an  item 4. Item inspection prior to shipment may be required 1-55. What condition must exist for an item to be considered an exception to  normal  mandatory  turn-in procedures? 1. The defective item is further damaged  during  removal 2. The  defective  item’s  original container  is  not  available 3. The defective item is not to be turned in to supply 4. The  defective  item  permits limited  operation  of  equipment 1-56. When  you  are  returning  a  mandatory turn–in  item,   you  should  resist the  temptation  to  cannibalize  the item for components. 1. True 2. False 1-57. The third position of a mandatory turn-in  repairable’s  NSN  will contain which of the following material control codes? 1. H only 2. Q  only 3. G, X, and E only 4. Any of the above 1-58. The MRIL discusses which of the following  types  of  information? 1. Nonautomated  procedures  for MILSTRIP  mandatory  turn–in 2. Direct  turnover  material identification  and  requisition 3. Consolidation  of  repair  lists to identify and return mandatory  turn-in  items 4. Consolidation  of  fill–in procedures for issue and turn– in  documentation 6