SECTION I INTRODUCTION - TM-11-5915-223-24P0005

TM 11-5915-223-24P

SECTION I

INTRODUCTION

1. Scope

Code

Definition

Not subject to automatic replenishment.

This manual lists spares and repair parts; special

XD -- A support item that is not stocked. When

tools; special test, measurement, and diagnostic

required, item will be procured through

equipment (TMDE), and other special support

normal supply channels.

equipment required for performance of organiza-

NOTE

tionl, direct support, and general support main-

Cannibalization or salvage may be used

tenance of the MX-7778/GRC. It authorizes the

as a source of supply for any items source

requisitioning and issue of spares and repair parts

coded above except those coded XA and

as indicated by the source and maintenance codes.

aircraft support items as restricted by AR

2. General

700-42.

(2) Maintenance code. Maintenance codes are

This Repair Parts and Special Tools List is divided

assigned to indicate the levels of maintenance

into the following sections:

authorized to USE and REPAIR support items.

a. Section II. Repair Parts List. A list of spares

The maintenance codes are entered in the third

and repair parts authorized for use in the

and fourth positions of the Uniform SMR Code

performance of maintenance. The list also includes

format as follows:

parts which must be removed for replacement of

(a) The maintenance code entered in the

the authorized parts. Parts lists are composed of

third position will indicate the lowest maintenance

functional groups in numeric sequence, with the

level authorized to remove, replace, and use the

parts in each group listed in figure and item

support item. The maintenance code entered in the

number sequence.

third position will indicate one of the following

b. Section III. Special Tools List. Not applicable.

levels of maintenance:

c. Section IV. National Stock Number and Part

Application/Explanation

Code

Number Index. A list, in National item identifica-

O -- Support item is removed, replaced, used at

tion number (NIIN) sequence, of all National stock

the organizational level.

numbers (NSN) appearing in the listings, followed

H -- Support item is removed, replaced, used at

by a list, in alphameric sequence, of all part

the general support level.

numbers appearing in the listings. National stock

D -- Support items that are removed, replaced,

numbers and part numbers are cross-referenced to

used at depot, mobile depot, specialized

each illustration figure and item number appear-

repair activity only.

ance.

(b) The maintenance code entered in the

3. Explanation of Columns

fourth position indicates whether the item is to be

repaired and identifies the lowest maintenance

a. Illustration. This column is divided as follows:

level with the capability to perform complete

(1) Figure number. Indicates the figure

repair (i.e., all authorized maintenance functions).

number of the illustration on which the item is

This position will contain one of the following

shown.

maintenance codes:

(2) Item number. The number used to identify

item called out in the illustration.

Application/Explanation

Code

b. Source, Maintenance, and Recoverability

H -- The lowest maintenance level capable of

(SMR) Codes.

complete repair of the support item is the

(1) Source code. Source code indicates the

general support level.

manner of acquiring support items for mainte-

Z--

Nonreparable. No repair is authorized.

nance, repair, or overhaul of end items. Source

(3) Recoverability code. Recoverability codes

codes are entered in the first and second positions

are assigned to support items to indicate the

of the Uniform SMR Code format as follows:

disposition action on unserviceable items. The

Definition

Code

recoverability code is entered in the fifth position

PA -- Item procured and stocked for anticipated

of the Uniform SMR Code format as follows:

or known usage.

Recoverability

Definition

codes

PD -- Support item, excluding support equip-

Z--

Nonreparable item. When unserviceable,

ment, procured for initial issue or outfit-

condemn and dispose at the level indi-

ting and stocked only for subsequent or

cated in position 3.

additional initial issues or outfitting.