f. Description. Indicates the Federal item name and if
5. How to Locate Repair Parts
required, a minimum description to identify the item.
a. When National stock number is unknown.
g. Unit of Measure (U/M). Indicates the standard of
(1) First. Using the table of contents, determine the
basic quantity of the listed item as used in performing the
functional group within which the item belongs.
actual maintenance function.
This measure is.
(2) Second. Find the illustration covering the functional
expressed by a two-character alphabetical abbreviation
group to which the item belongs.
This is necessary since illustrations are prepared for
(3) Third. Identity the item on the illustration and note
(e.g., ea, in, pr, etc). When the unit of measure differs
the illustration figure and item number of the item.
from the unit of issue, the lowest unit of issue that will
(4) Fourth. Using the Repair Parts Listing, find the
satisfy the required units of measure will be requisitioned
figure and item number noted on the illustration.
h. Quantity Incorporated in Unit. Indicates the quantities
b. When the National stock number or part number is
of the item used in the breakout
(1)First. Using the Index of National Stock
4. Special Information
Numbers and Part Numbers, find the pertinent National
a. The following publications pertain to the 8558B and its
Stock number or part number. This index is in NIIN
sequence followed by a list of part numbers in
TM 11-6625-3061-14, Spectrum Analyzer 85588 (HP)
alphanumeric sequence, cross-referenced to the
b. National stock numbers (NSN's) that are missing from
illustration figure number and item number.
P source coded items have been applied for and will be
(2)Second. After finding the figure and item
added to this TM by future change/revision when. they
number locate the figure and item number in the repair
are entered in the Army Master Data File (AMDF). Until
the NSN's are established and published, submit
exception requisitions to: Commander, US Army Com.
munications - Electronics Command and Fort Mon-
mouth, ATT: DRSEL-MM, Fort Monmouth, New Jersey
07703-5007 for the part required to support your
(Next printed page is 4.1)