SECTION I INTRODUCTION - TM-11-5985-334-30P0005

TM 11-5985-334-30P

SECTION I

INTRODUCTION

NOTE

1. Scope

Cannibalization or salvage maybe used as

This manual lists spares and repair parts; special

a source of supply for any items source

tools; special test, measurement, and diagnostic

coded above except those coded XA and

equipment (TMDE), and other special support equip-

aircraft support item as restricted by AR

ment required for performance of direct support

700-42.

maintenance of the AB-621/G. It authorizes the req-

(2) Maintenance code. Maintenance codes are

uisitioning and issue of spares and repair parts as

assigned to indicate the levels of maintenance au-

indicated by the source and maintenance codes.

thorized to USE and REPAIR support items. The

2. General

maintenance codes are entered in the third and

fourth positions of the Uniform SMR Code format as

This Repair Parts and Special Tools List is divided

follows:

into the following sections:

(a) The maintenance code entered in the third

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

and repair parts authorized for use in the perform-

position will indicate the lowest maintenance level

authorized to remove, replace, and use the support

ance of maintenance. The list also includes parts

item. The maintenance code entered in the third posi-

which must be removed for replacement of the au-

tion will indicate one of the following levels of mainte-

thorized parts. Parts lists are composed of functional

nance:

groups in numeric sequence, with the parts in each

group listed in figure and item number sequence.

Application/Explanation

Code

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

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

c. Section IV. National Stock Number and Part

organizational level.

Number Index. A list, in National item identification

F - Support item is removed, replaced, used at the

number (NIIN) sequence, of all National stock num-

direct support level.

bers (NSN) appearing in the listings, followed by a

list, in alphameric sequence, of all part numbers ap-

(b) The maintenance code entered in the fourth

pearing in the listings. National stock numbers and

positions indicates whether the item is to be repaired

part numbers are cross-referenced to each illustra-

and identifies the lowest maintenance level with the

tion figure and item number appearance.

capability to perform complete repair (i.e., all author-

ized maintenance functions). This position will con-

3. Explanation of Columns

tain one of the following maintenance codes:

a. Illustration. This column is divided as follows:

(1) Figure number, Indicates the figure number

Code

Application/Explanation

F - The lowest maintenance level capable of com-

of the illustration on which the item is shown.

plete repair of the support item is the direct

(2) Item number. The number used to identify

support level.

item called out in the illustration.

Z - Nonreparable. No repair is authorized.

b. Source, Maintenance, and Recouerability (SMR)

Codes.

(3) Recoverability code. Recoverability codes

(1) Source code. Source codes indicate the man-

are assigned to support items to indicate the disposi-

ner of acquiring support items for maintenance, re-

tion action on unserviceable items. The recoverabil-

pair, or overhaul of end items. Source codes are en-

ity code is entered in the fifth position of the Uniform

tered in the first and second positions of the Uniform

SMR Code format as follows:

Recoverability

Definition

Code

Codes

Definition

PA - Item procured and stocked for anticipated or

Z - Nonreparable item. When unserviceable, con-

known usage.

demn and dispose at the level indicated in posi-

XB - Item is not procured or stocked. If not availa-

tion 3.

ble through salvage, requisition.