Source code - TM-55-4920-341-140218

TM 55-4920-341-14

D-3. Explanation of Columns.

The following provides an explanation of columns in the tabular listing.

a. Source, Maintenance and Recoverability Codes (SMR), Column 1.

Indicates the selection status and source for the listed

(1) Source code.

item. Source codes are:

EXPLANATION

CODE

Repair parts, special tools and test equipment supplied from the

GSA/DSA or Army supply system and authorized for use at indicated

maintenance categories.

Repair parts, special tools and test equipment which are procured

and stocked for insurance purposes because the combat or military

essentiality of the end item dictates that a minimum quantity be

available in the supply system.

Assigned to items which are NSA design controlled: unique repair

parts, special tools, test, measuring, and diagnostic equipment

which are stocked and supplied by the Army COMSEC Logistic System

and which are not subject to the provisions of AR 380-41.

P10

Assigned to items which are NSA design controlled: special tools,

test, measuring, and diagnostic equipment for COMSEC support which

are accountable under the provisions of AR 380-41 and which are stocked

and supplied by the Army COMSEC Logistic System.

Repair parts , special tools and test equipment which are not procured

or stocked as such in the supply system but are to be manufactured

at indicated maintenance levels.

Assemblies which are not procured or stocked as such but are made

up of two or more units. Such component units carry individual stock

numbers and descriptions, are procured and stocked separately, and

can be assembled to form the required assembly at indicated maintenance

categories.

Parts and assemblies that are not procured or stocked because the

failure rate is normally below that of the applicable end item or

component. The failure of such part or assembly should result in

retirement of the end item from the supply system.

Repair parts which are not procured or stocked. The requirement for such

items will be filled by the next higher assembly or component.

Repair parts , special tools and test equipment which are not stocked

and have no foreseen mortality. The indicated maintenance category

requiring such repair parts will attempt to obtain the parts through

cannibalization or salvage. The item may be requisitioned, with excep-

tion data, from the end item manager for immediate use.