Detailed Parts List-continued - TM-55-4920-430-130168

TM 55-4920-430-13

(8) Each Boeing part is given the number of the drawing from which the part is made. The draw-

ings are numbered according to a system in which a prefix of three digits is used. Boeing Vertol part

numbers are prefixed with the numbers 114, 145, 165, 173, 234, 308, and 414.

(9) Specification and Source Control part numbers are listed in the part number column. Vendor

equivalent part numbers are listed in the Nomenclature column. In addition to the above, Boeing-

Vertol standard parts listed are prefixed by the letters BAC and VS.

NOTE

Vendor codes are not used for Boeing-Vertol, Boeing Standard parts,

Boeing-Kent, and military standard part numbers.

(10) Usable Code - This column indicates the applicability of an item to other types or makes of

equipment.

(11) Units per Assembly - This column lists the number of units required per assembly or

subassembly. When more than one assembly is required, the total for these assemblies will be listed.

The letters AR indicate as required. The letters REF are used on items that are listed for reference pur-

poses.

5-10