UNITS PER ASSEMBLY.

TM 55-4920-416-13

Section VIII

NAVAER 17-15C-539

Paragraphs 8-14 to 8-44

CODE

VENDOR

for the complete equipment covered in the illustrated parts

breakdown. AN hardware, i.e., bolts, screws, washers, etc,

RRE

RADIO RECEPTOR CO INC

have the total quantity required listed under the first index

Brooklyn, New York

reference for the particular hardware without further indexing.

SNC

SNAP-TITE COUPLER CO

8-29. REFERENCE DESIGNATION INDEX.

Erie, Pennsylvania

8-30. In Section XI the parts are listed in the alphabetical and

USEA

U S ENGINEERING CO

numerical order of reference designations.

Glendale, California

8-31. REFERENCE SYMBOL.

WEATHERHEAD CO

Glendale, California

8-32. The first column lists the reference symbols assigned to

electrical and electronic components.

8-14. UNITS PER ASSEMBLY.

8-33. FIGURE AND INDEX NUMBER.

8-15. The quantity listed in the units per assembly column is

the quantity required at that particular location. To obtain the

8-34. The second column lists the figure and index number

quantity required for the complete unit, refer to the Numerical

which applies to the specific reference symbol shown in the

Index, Section X.

first column.

8-16. USABLE ON CODE.

8-35. CLASS CODE OR STOCK NUMBERS.

8-17. This column has been left blank since all assemblies

8-36. Class Codes or Stock Numbers have not been assigned

and components are used on all equipments.

by the Procuring Agency. Refer to the S-00-1, Master Cross-

Reference Index for items.

8-18. NUMERICAL INDEX.

8-37. PART NUMBER.

8-19. CLASS CODE OR STOCK NUMBERS.

8-38. The fourth column contains the AN standard or

8-20. Class Codes or Stock Numbers have not been assigned

manufacturer's part number, which is the same as that in

by the Procuring Agency. Refer to the S-00-1, Master Cross-

Section IX, Group Assembly Parts List and Section X,

Reference Index for items.

Numerical Index.

8-21. PART NUMBERS.

8-39. HOW TO USE

THE

ILLUSTRATED

PARTS

BREAKDOWN.

8-22. The Numerical Index, Section X, is arranged in the

alphabetical and numerical order of part numbers; that is,

8-40. TO FIND THE PART NUMBER IF THE MAJOR

those parts with letter prefixes are listed first, followed by the

ASSEMBLY IS KNOWN.

plain numbered parts in natural order moving one column at a

a. In the Table of Contents find the page number for the

time from left to right. The letter O is treated as a numeral

major assembly.

zero. A part listed as "No Number" or "Comm" in the Group

b. On the page indicated, locate the part in the

Assembly Parts List is listed at the beginning of the Numerical

illustration and find its index number.

Index by the principal noun of its description.

c. Refer to the Group Assembly Parts List, Section IX,

and locate the figure and index number in the first column; the

8-23. SOURCE CODE.

part number will then be found in the second column.

8-24. The source code column of the numerical index has not

8-41. TO FIND THE ILLUSTRATION IF THE PART NUMBER

been assigned by Department representatives at the time of

IS KNOWN.

publication.

8-42. Refer to the Numerical Index, Section X, and find the

8-25. FIGURE AND INDEX NUMBER.

part number in the second column. The figure and index

number in the adjoining column refers to the location of the

8-26. The fifth column of the Numerical Index lists all figures in

part in the Illustration and in the Group Assembly Parts List.

which the part appears together with pertinent index numbers.

When the part is used several times in the same assembly

8-43. TO FIND THE PART NUMBER IF THE REFERENCE

under different index numbers, it is listed and described each

DESIGNATION IS KNOWN.

time.

8-44. Refer to the Reference Designation Index, Section XI,

8-27. QUANTITY PER ARTICLE.

where the part number will be found in the fourth column.

8-28. The sixth column elves the quantity of each part required