Section I. INTRODUCTION - TM-11-6625-614-24P0006

TM 11-6625-614-24P

SECTION I

INTRODUCTION

Code

Definition

1. Scope

PA--Item procured and stocked for anticipated or known

This manual lists repair parts and special tools required

usage.

for performance of organizational, direct support, and

XA--Item is not procured or stocked because the

general support maintenance of the AN/ASM-121.

requirements for the item will result in the

2. General

replacement of the next higher assembly.

This Repair Parts and Special Tools List is divided into

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

the following sections:

item will be procured through normal supply

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

channels.

parts authorized for use in the performance of

maintenance. The list also includes parts which must be

NOTE

removed for replacement of the authorized parts. Parts

Cannibalization or salvage may be used

lists are composed of functional groups in ascending

as a source of supply for any items

numerical sequence, with the parts in each group listed

source coded above except those coded

in figure and item number sequence. Bulk materials are

XA, XD, and aircraft support items as

listed in NSN sequence.

restricted by AR 750-1.

Section III.

Special Tools List.

Not

applicable.

(2) Maintenance code. Maintenance codes

c. Section IV. National Stock Number and Part

are assigned to indicate the levels of maintenance

Number Index. A list, in ascending National item

authorized to USE and REPAIR support items. The

identification number (NIIN, last 9 digits) sequence, of all

maintenance codes are entered in the third and fourth

National stock numbers appearing in the listings,

positions of the Uniform SMR Code format as follows:

followed by a list, in alphanumeric sequence, of all part

(a) The maintenance code entered in

numbers appearing in the listings.

National stock

the third position will indicate the lowest maintenance

number and part numbers are cross- referenced to each

level authorized to remove, replace, and use the support

illustration figure and item number appearance.

item. The maintenance code entered in the third position

3. Explanation of Columns

will indicate one of the following levels of maintenance:

The following provides an explanation of columns found

Code

Application/Explanation

in the tabular listings:

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

a. Illustration. This column is divided as follows:

organizational level.

(1) Figure number. Indicates the figure

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

number of the illustration in which the item is shown.

general support level.

(2) Item number. The number used to

(b) The maintenance code entered in

identify each item called out in the illustration.

the fourth position indicates whether the item is to be

b. Source, Maintenance, and Recoverability

repaired and identifies the lowest maintenance level with

Codes (SMR).

the capability to perform complete repair (i.e., all

Source code.

(1)

Source codes are

authorized maintenance functions). This position will

assigned to support items to indicate the manner of

contain one of the following maintenance codes:

acquiring support items for maintenance, repair, or

Code

Application/Explanation

overhaul of end items. Source codes are entered in the

H--The lowest maintenance level capable of complete

first and second positions of the Uniform SMR Code

repair of the support item is the general support

format as follows:

level.

Z--Non-reparable. No repair is authorized.

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