How to Locate Repair Parts. - TM-5-6675-250-34P0007

56675-250-34P

which its parts are listed as repair parts or are listed

and characteristics of the item by means of its

engineering drawings, specification standards, and

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

inspection requirements to identify an item or range

containing parts of the kit.

b. The following publications pertain to the Survey

of items.

Instrument and its components:

NOTE

TM 56675-25034

Direct and General Support

When a stock numbered item is requisitioned, the repair

Maintenance

part received may have a different part number than the

TM 56675250-12

Operator's and Organizational

part being replaced.

Maintenance

e. Federal Supply Code for Manufacturer (FSCM).

5. How to Locate Repair Parts.

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

70842 which is used to identify the manufacturer,

a. When National Stock Number or Part Number

distributor, or Government agency, etc.

is Unknown:

f. Description. Indicates the Federal item name

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

and, if required, a minimum description to identify

the functional group within which the repair part

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

belongs. This is necessary since illustrations are

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

prepared for functional groups, and listings are divid-

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

ed into the same groups.

quantity incorporated in unit column. When the part

(2) Second. Find the illustration covering the

to be used differs between serial numbers of the same

functional group to which the repair part belongs.

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

model, the effective serial numbers are shown as the

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

tion and note the illustration figure and item number

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

of the repair part.

in the entry for each special tool, TMDE and support

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

equipment. When density of equipments supported

the figure and item number noted on the illustration,

exceeds density spread indicated in the basis of issue,

b. When National Stock Number or P a r t

Number is Known:

the total authorization is increased accordingly.

(1) First. Using the Index of National Stock

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

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

Numbers and Part Numbers, find the pertinent

forming the actual maintenance function. This

National stock number or part number. This index is

in ascending NSN sequence followed by a list of part

measure is expressed by a two-character alphabetical

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

numbers in ascending alphanumeric sequence, cross-

measure differs from the unit of issue, the lowest unit

referenced to the illustration figure number and item

of issue that will satisfy the required units of

number.

measure will be requisitioned.

(2) Second. After finding the figure and item

number, locate the figure and item number in the

h. Quantity Incorporated in Unit. Indicates the

quantity of the item used in the breakout shown on

repair parts list.

the illustration figure, which is prepared for a func-

tional group, subfunctional group, or an assembly. A

6. Abbreviations

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

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

Explanations

Abbreviations

shims, spacers, etc.).

ASHY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. assembly

EA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. each

HA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. head

4. Special Information.

IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . inch(es)

LG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . long

a. Repair parts kits and gasket sets appear as the

MUG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . mounting

last entries in the repair parts listing for the figure in

RANG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. retaining