TM-9-2990-206-34&P Parts Manual, Tools and Maintenance for Turbocharger Model T18C01 Download
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d. Part Number. Indicates the  primary number used by the manu-  facturer (Individual, company, firm,  corporation, or Government activity),  which controls the design and charac-  teristics of the item by means of its  engineering drawings, specifications,  standards, and inspection requirements  to identify an item or range of items.  NOTE  When a stock numbered item  is requisitioned, the item  received may have a different  part number than the part  being replaced.  Federal Supply Code for Manu-  facturer(FSCM). The FSCM is a 5-digit  numeric code listed in SB 708-42 which  is used to identify the manufacturer,  distributor, or Government agency, etc.  f. Description. Indicates the  Federal’ item name and, if required, a  minimum description to identify the  i tern. Items that are included in kits  and sets are listed below the name of  the kit or set with the quantity of  each item in the kit or set indicated  in the quantity incorporated in unit  Column. When the part to be used  differs between serial numbers of the  same model, the effective serial num-  bers are shown as the last line of the  description. In the Special Tools List,  the initial basis of issue (BOI) appears  as the last line in the entry for each  special tool, special TMDE, and other  special support equipment. When density  of equipments supported exceeds density  spread indicated in the basis of issue,  the total authorization is increased  accordingly.  g. Unit of Measure (U/M). Indi-  cates the standard of the basic quan-  tity of the listed item as used in per-  forming the actual maintenance function.  This measure is expressed by a two-char-  acter alphabetical abbreviation (e.g.,  ea, in, pr, etc). When the unit of  measure differs from the unit of issue,  the lowest unit of issue that will sat-  isfy the required units of measure will  be requisitioned.  h. Quantity Incorporated in Unit.  Indicates the quantity of the item  used in the breakout shown on the illus-  tration figure, which is prepared for  a functional group, subfunctional group,  or an assembly. A “V” appearing in  this column in lieu of a quantity indi-  cates that no specific quantity is a -  plicable, (e.g., shims, spacers, etc).  B-4. SPECIAL INFORMATION.  a. Repair Parts Kits. Repair  Parts kits appear as the last entries  in the repair” parts listing for the  figure in which its parts are listed as  repair parts.  b. Special Tool Sets. Special  tool sets are stocked for initial issue.  Tool set components are requisitioned  as individual items. Stockage of  tools that are duplicated in tool sets  for other vehicles assigned or support-  ed are not required beyond actual need.  B-5. HOW TO LOCATE PARTS.  When National Stock number or  Part Number Is Unknown:  (1)First. Using the table of  contents, determine the functional  subgroup within which the item belongs.  This is necessary since illustrations  are prepared for functional subgroups,  and listings are divided into the same  groups.  (2) Second. Find the illus-  tration covering the functional sub-  group to which the item belongs.  (3) Third. Identify the item on  the illustration and note the illus-  tration figure and item number of the  i tern.  B-4  TM 9-2990-206-34&P