XB - Item is not procured or stocked. If not available
through salvage, requisition.
This manual lists spares and repair parts; special tools;
special test, measurement, and diagnostic equipment
(TMDE), and other special support equipment re-
Cannibalization or salvage may be used as a
quired for performance of organizational, direct sup-
source of supply for any items source coded
port, and general support maintenance of the AN/GRM-
above except those coded XA and aircraft
114A. It authorizes the requisitioning and issue of spares
support items as restricted by AR 750-1.
and repair parts as indicated by the source and main-
(2) Maintenance code. Maintenance codes are as-
signed to indicate the levels of maintenance authorized
to USE and REPAIR support items. The maintenance
codes are entered in the third and fourth positions of
This Repair Parts and Special Tools List is divided
the Uniform SMR Code format as follows:
into the following sections:
(a) The maintenance code entered in the third
position will indicate the lowest maintenance level au-
and repair parts authorized for use in the performance
thorized to remove, replace, and use the support item.
of maintenance. The list also includes parts which must
The maintenance code entered in the third position
be removed for replacement of the authorized parts,
will indicate one of the following levels of maintenance:
Parts lists are composed of functional groups in nu-
meric sequence, with the parts in each group listed in
Support item is removed, replaced, used at the
figure and item number sequence.
b. Section III. Special Tools List. Not applicable.
H - Support item is removed, replaced, used at the
c. Section IV. National Stock Number and Part
general support level.
Number Index. A list, in National item identification
(b) The maintenance code entered in the fourth
number (NIIN) sequence, of all National stock num-
position indicates whether the item is to be repaired
bers (NSN) appearing in the listings, followed by a
and identifies the lowest maintenance level with the
list, in alphameric sequence, of all part numbers ap-
capability to perform complete repair (i. e., all author-
pearing in the listings. National stock numbers and
ized maintenance functions). This position will contain
part numbers are cross-referenced to each illustration
one of the following maintenance codes:
figure and item number appearance.
3. Explanation of Columns
H - The lowest maintenance level capable of complete
a. Illustration. This column is divided as follows:
repair of the support item is the general sup-
(1) Figure number. Indicates the figure number
X - Nonreparable. No repair is authorized.
of the illustration on which the item is shown.
(3) Recoverability code. Recoverability codes are
(2) Item number. The number used to identify
item called out in the illustration.
assigned to support items to indicate the disposition
b. Source, Maintenance, and Recoverability (SMR)
action on unserviceable items. The recoverability code
is entered in the fifth position of the Uniform SMR
Code format as follows:
(1) Source code. Source codes indicate the man-
ner of acquiring support items for maintenance, repair,
or overhaul of end items. Source codes are entered in
Nonreparable item. When unserviceable, con-
the fist and second positions of the Uniform SMR
demn and dispose at the level indicated in po-
Code format as follows:
PA - Item procured and stocked for anticipated or
H - Reparable item. When uneconomically reparable,
condemn and dispose at the general support
PC - Item procured and stocked and which otherwise
c. National Stock Number. Indicates the National
would be coded PA except that it is deterio-
stock number assigned to the item and will be used
rative in nature.
for requisitioning purposes.
PG - Item procured and stocked to provide for sus-
tained support for the life of the equipment.
d. Federal Supply Code for Manufacturer
(FSCM). The FSCM is a 5-digit numeric code listed
It is applied to an item peculiar to the equip-
in SB 708-41/42 which is used to identify the manu-
ment which, because of probable discontin-
facturer, distributor, or Government agency, etc.
uance or shutdown of production facilities,
e. Part Number. Indicates the primary number used
would prove uneconomical to reproduce at a
by the manufacturer (individual, company, firm, cor-