Special Information

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

known.

(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

components:

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

parts list.

the NSN's are established and published, submit

exception requisitions to: Commander, US Army Com.

6. Abbreviations

munications - Electronics Command and Fort Mon-

mouth, ATT: DRSEL-MM, Fort Monmouth, New Jersey

Not applicable.

07703-5007 for the part required to support your

equipment.

(Next printed page is 4.1)