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C. "Airline Part No." Column
This column is left open, and is to be used by the customer for their own parts numbering system.
D. "Nomenclature" Column
The part name listed under "Nomenclature" is the same as the manufacturer's drawing title for that part or the same as the part name listed in the manufacturer's assembly drawing "list of materials" or the same as the part name listed in the manufacturer's parts catalog with any necessary and qualifying descriptions. Nomenclatures are intended to show the relationship of a part with its assembly. When a nomenclature is followed by the words "Buy P/N...", that part is no longer procurable. When applicable, a vendor's code number is listed after the part name. See Vendor's Code / Address on page
PAGE 10001
25-20-31 JAN 11/2010

10003.
E. "Eff. Code" (Effectivity Code) Column
When two or more main assembly variations are listed, a different "usable on" code letter is assigned to each main assembly and is listed in the "EFF CODE" column. All parts to be used on a specific assembly are identified by the same code letter as the appropriate main assembly. This column is left blank for all parts that are common to all main assemblies.
F. "Units Per Assy" (Units Per Assembly) Column
The quantities listed under "Units Per Assy" are the number of units required per next higher assembly. For a bulk number of units, the letters "A/R" are entered to indicate "as required".  The letters "REF" are entered to indicate that the unit is listed for reference purposes only.
Identical items are listed separately to indicate their order of disassembly, the quantities of identical items within a main assembly must be added to obtain a total quantity per main assembly. The quantities listed for attaching parts are to attach one of the parts they are attaching. Attaching parts will be listed in the parts list after the item they attach. The quantity listed will be per next higher assembly. Attaching parts will not be illustrated where their sequence of installation is obvious.
G. Vendor Codes and Addresses
A part not manufactured by Bolder is assigned a code number which is preceded with the letter "V", and placed in parentheses following the nomenclature of the part. The codes used are defined by the U.S. Federal Supply Code for Manufacturers Document H4/H8. The Vendor parts to be used in this manual will list their vendor codes and addresses in the table on page 10003.
H. Numerical Index
The purpose of the Numerical Index is to enable the user to locate any part by part number. The figure and item number the part is used in are listed as well as the total quantity required in that particular figure. Parts are listed in numerical order starting on page 10005.

VENDOR LISTING
 CODE  ADDRESS  CODE  ADDRESS 
　
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