INTRODUCTION

TM 11-6625-3055-24P

SECTION I

INTRODUCTION

Code

Definition

1. Scope

XA Item is not procured or stocked because the

This manual lists spares and repair parts, special tools,

requirements for the item will result in the

special test, measurement, and diagnostic equipment

replacement of the next higher assembly.

(TMDE), and other special support equipment required

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

for the performance of organizational, direct support,

through salvage, requisition.

and general support maintenance of the AN/USM-

486/U. It authorizes the requisitioning and issue of spares

NOTE

Cannibalization or salvage may be used as a

a n d repair parts as indicated by the source and

source of supply for any items source coded

maintenance codes.

above except those coded XA and aircraft

support items as restricted by AR 750-1.

2. General

(2) Maintenance code. Maintenance codes are

This Repair Parts and Special Tools List is divided into

assigned to indicate the levels of maintenance authorized

the following sections:

to USE and REPAIR support items. The maintenance

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

codes are entered in the third and fourth positions of the

repair parts authorized for use in the performance of

Uniform SMR Code format as follows:

maintenance. The list also includes parts which must be

(a) The maintenance code entered in the third

removed for replacement of the authorized parts. Parts

position will indicate the lowest maintenance level that is

lists are composed of functional groups in numeric

authorized to remove, replace, and use the support item.

sequence, with the parts in each group listed in figure and

The maintenance code entered in the third position will

item number sequence.

indicate one of the following levels of maintenance:

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

Definition

Code

c. National Stock Number and Part Number Index. A

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

list, in National Item Identification Number (NIIN)

general support level.

sequence, o f all National Stock Numbers (NSN)

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

appearing in the listings, followed by a list, in alphanumeric

organizational level.

sequence, of all part numbers appearing in the listings.

(b) The maintenance code entered in the fourth

National Stock Numbers and part numbers are cross-

position indicates whether the item is to be repaired and

referenced to each illustration figure and item number

identifies the lowest maintenance level with the capability

appearance.

t o perform complete repair (i.e., all authorized

maintenance functions). This position will contain one of

3. Explanation of Columns

the following maintenance codes:

a. Illustration. This column is divided as follows:

Code

Explanation/Application

(1) Figure number. Indicates the figure number of

H -- The lowest maintenance level capable of complete

repair of the support item is the general support

the illustration on which the item is shown.

level.

(2) Item number. The number used to identify item

Z -- Nonrepairable. No repair is authorized.

called out in the illustration.

b. Source, Maintenance, and Recoverability (SMR)

(3) Recoverability code. Recoverability codes are

Codes.

assigned to support items to indicate the disposition

(1) Source code. Source codes indicate the manner of

action on unserviceable items. The recoverability code is

acquiring support items for maintenance, repair, or

entered in the fifth position of the Uniform SMR Code

format as follows:

overhaul of end items. Source codes are entered in the

first and second positions of the Uniform SMR Code

Code

Definition

H -- Repairable item. When uneconomically repairable,

format as follows:

condemn and dispose at the general support level.

Definition

Code

PA -- Item procured and stocked for anticipated or

Z -- Nonrepairable item. When unserviceable, condemn

known usage.

and dispose at the level indicated in position 3.