Special Information - TM-5-6675-250-20P0007

TM 5-6675-250-20P

4. Special Information

a. Repair parts kits and gasket sets appear as the

last entries in the repair parts listing for the figure in

which its parts are listed as repair parts or are listed

at the end of the repair parts listing for the last figure

containing parts of the kit,

c. National Stock Number. Indicates the National

b. The illustrations in this manual are identical to

stock number assigned to the item and will be used

those published in TM 5-6675-250-34P. Only those

for requisitioning purposes.

parts assigned the third position SMR code "C" or "O"

d. Part Number. Indicates the primary number

are listed in the tabular listing, therefore, there may

used by the manufacturer which controls the design

be a break in the item number sequence. Only il-

and characteristics of the item by means of its

lustrations containing organizational authorized

engineering drawings, specification standards, and

items appear in this manual.

inspection requirements to identify an item or range

c. The following publications pertain to the Survey

of items.

Instrument and its components:

TM 5-6675-250-12

Operator's and Orga-

nizational Maintenance

5. How to Locate Repair Parts.

e. Federal Supply Code for Manufacturer (FSCM).

a. When National Stock Number or Part Number

The FSCM is a five-digit numeric code listed in SB

is Unknown:

708-42 which is used to identify the manufacturer,

(1) First. Using the table of contents, determine

distributor, or government agency, etc.

the functional group within which the repair part

f. Description. Indicates the Federal item name

belongs. This is necessary since illustrations are

and, if required, a minimum description to identify

prepared for functional groups, and listings are divid-

the item. Items that are included in kits and sets are

ed into the same groups.

listed below the name of the kit or set with the quan-

(2) Second. Find the illustration covering the

tity of each item in the kit or set indicated in the

functional group to which the repair part belongs.

quantity incorporated in unit column. When the part

(3) Third. Identify the repair part on the illustra-

to be used differs between serial numbers of the same

tion and note the illustration figure and item number

model, the effective serial numbers are shown as the

of the repair part.

last line of the description. In the Special Tools List,

(4) Fourth. Using the Repair Parts Listing, find

the initial basis of issue (BOI) appears as the last line

the figure item number noted on the illustration.

in the entry for each special tool, TMDE and support

b. When National Stock Number or Part Number

equipment. When density of equipments supported

is Known:

exceeds density spread indicated in the basis of issue,

(1) First. Using the Index of National Stock

the total authorization is increased accordingly.

Numbers and Part Numbers, find the pertinent

g. Unit of Measure (U/M). Indicates the standard

National stock number or part number. This index is

of the basic quantity of the listed item as used in per-

in ascending NSN sequence followed by a list of part

forming the actual maintenance function. This

numbers in ascending alphanumeric sequence, cross-

measure is expressed by a two-character alphabetical

-referenced to the illustration figure number and item

abbreviation (e.g., ea, in, pr, etc.). When the unit of

number.

measure differs from the unit of issue, the lowest unit

(2) Second. After finding the figure and item

of issue that will satisfy the required units of

number, locate the figure and item number in the

measure will be requisitioned.

repair parts list.

h. Quantity Incorporated in Unit. Indicates the

quantity of the item used in the breakout shown on

6. Abbreviations.

the illustration figure, which is prepared for a func-

tional group, subfunctional group, or an assembly. A

"V" appearing in this column in lieu of a quantity in-

dicates that no specific quantity is applicable (e.g.,

assembly

shims, spacers, etc.).

ASSY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .