AEROGRAPHER'S MATE 3 & 2 



necessary to identify your material requirement 

 in the medium understandable to the supply sys- 

 tem — the National Stock Number. 



NATIONAL STOCK NUMBER (NSN) 



The NSN consists of a 13-digit number. 

 ASO uses NSNs with prefixes composed of three 

 characters and suffixes composed of two charac- 

 ters. When the prefixes and suffixes are used, 

 the NSN becomes a coded NSN; an example 

 follows: 



2 R H - 6660 - 00 - 408-4604 - HX 

 Z TT 



1, Stores 

 Account- 



2 Cognizance 

 Symbol 



3. Material 

 Control Code — I 



4. National 

 Supply Class - 



5. National Codification 

 Bureau (NCB) 



National Item Identification 

 Number (NUN) 



7„ Special Material Identification 

 Code (SMIC) 



The letters 

 Stock Number 

 paragraphs: 



and numbers used in the National 

 are explained in the following 



1. Stores Account. This number was explained 

 in preceding paragraphs. 



2. Cognizance Symbol. The main cognizance 

 symbols for meteorological items are "R" (items 

 controlled by ASO) and "V" (items controlled 

 by NAVAIR). The cognizance symbol determines 

 the controlling agency. 



3. Material Control Code. The identification 

 of the Material Control Code will aid 

 in determining whether an item is to 

 be repaired by a designated Naval Air 

 Rework Facility (NARF) on a scheduled basis or 

 if repair is to be accomplished by local repair 

 facilities. In cases where the item is designated 



for local repair, but cannot be repaired locally, 

 the item should be screened for salvageable 

 material prior to final disposal action. 



4. National Supply Class. This number is 

 made up of the group code and the national 

 supply classification code (NSC). It is composed 

 of four digits. It is significant because it re- 

 lates the item of supply to other items of sup- 

 ply in the same supply classification; for 

 example, most meteorological materials are in 

 the 66 group. 



5. National Codification Bureau (NCB). This 

 code is a 2-digit number designating the NATO 

 country which cataloged the item. The United 

 States is designated by the code "00" or "01." 



6. National Item Identification Number (NUN). 

 This number is comprised of seven digits and 

 further identifies the item in the stock number- 

 ing system. It serves to symbolize and fix the 

 identity of the individual item of supply and 

 to differentiate it from others. 



7. Special Material Identification Code 

 (SMIC). This code is suffixed to each National 

 Stock Number used by the Naval Aeronautical 

 Supply Organization. SMIC is used to indicate 

 the management and reporting segment of the 

 inventory to which the stock number is as- 

 signed. It provides a means for segmentizing 

 the inventory to keep peculiar parts with the as- 

 semblies on which used and thereby providing 

 for efficient procurement, inventory reporting 

 and control, financial reporting, storage and 

 issue. 



SMIC consists of two symbols — for example, 

 HX (meteorological equipment). SMIC, as well 

 as the other required codes, should always be 

 shown with the stock number to ensure proper 

 handling within the Naval Aeronautical Supply 

 Organization. 



INVENTORY 



The term inventory, as used by Aerogra- 

 pher's Mates, applies to the total amount of an 

 item physically within the weather office spaces 

 and under the control of the meteorological 

 officer. 



Inventory aboard ship is necessary to ensure 

 that ships have a well-rounded stock of ma- 

 terial on board at all times to sustain opera- 

 tions for a maximum period of time. In order 



410 



