TM 11-5805-740-30P/EE119-AC-PLL-010/E154 TTC-TYC-39/TO 31W2-2TTC-39-94
c. National Stock Number. Indicates the National
sage Switching Automatic AN/TYC-39(V)1 and
stock number assigned to the item and will be used for
b. National stock numbers (NSN's) that are missing
d Federal Supply Code for Manufacturer (FSCM).
from P source coded items have been applied for and
will be added to this TM by future change/revision when
The FSCM is a 5-digit numeric code listed in SB 708-
they are entered in the Army Master Data File (AMDF).
41/42 which is used to identify the manufacturer,
Until the NSN's are established and published, submit
distributor, or Government agency, etc.
e. Part Number. Indicates the primary number used
exception requisitions to: Commander, US Army
by the manufacturer (individual, company, firm,
Command, ATTN: DR-SEL-MM, Fort Monmouth, NJ
corporation, or Government activity), which controls the
07703 for the part required to support your equipment.
design and characteristics of the item by means of its
engineering drawings, specifications, standards, and
inspection requirements to identify an item or range of
5. How to Locate Repair Parts
a. When National stock number or part number is
(1) First. Using the table of contents, determine
When a stock numbered item is requisitioned,
the repair part received may have a different part
the functional group within which the item belongs. This
number than the part being replaced.
is necessary since illustrations are prepared for
f. Description Indicates the Federal item name and,
functional groups and listings are divided into the same
if required, a minimum description to identify the item.
g. Unit of Measure (U/M). Indicates the standard of
(2) Second Find the illustration covering the
the basic quantity of the listed item as used in performing
functional group to which the item belongs.
(3) Third Identify the item on the illustration and
the actual maintenance function. This measure is
expressed by a two-character alphabetical abbreviation
note the illustration figure and item number of the item.
(4) Fourth. Using the Repair Parts Listing, find
(e.g., ea, in, pr, etc). When the unit of measure differs
from the unit of issue, the lowest unit of issue that will
the figure and item number noted on the illustration.
satisfy the required units of measure will be
b. When National stock number or part number is
h. Quantity Incorporated in Unit. Indicates the
(1) First. Using the index of National Stock
quantity of the item used in the breakout shown on the
Numbers and Part Numbers, find the pertinent National
illustration figure, which is prepared for a functional
stock number or part number. This index is in NIIN
group, subfunctional group, or an assembly.
sequence followed by a list of part numbers in
alphameric sequence, cross-referenced to the illustration
4. Special Information
figure number and item number.
(2) Second After finding the figure and item
a. The following publications pertain to the Kits and
number, locate the figure and item number in the
repair parts list.
TM 11-5805-681-12-1 through 12-10, Central Office,
Telephone, Automatic AN/TTC-39(V)2, (V)3 and
TM 11-5805-683-12-1 through 12-8, Central, Mes-
(Next printed page is 4.1)