HP URM-184A, AN, URM-180 manual Section Introduction

TM 11-6625-1576-24P

SECTION I

INTRODUCTION

1. Scope. Code Definition

This manual lists repair parts required for per- formance of organizational and general support maintenance of the AN/URM-180 and the AN/URM-184A.

2. General.

This Repair Parts and Special Tools List is divided into the following sections:

a. Section II. Repair Parts List. A list of repair parts authorized for use in the performance of maintenance. The list also includes parts which must be removed for replacement of the authorized parts. Parts lists are composed of functional groups in ascending numerical sequence, with the parts in each group listed in figure and item number sequence.

b. Section III. Special Tools List. Not ap- plicable.

c. Section IV. National Stock Number and Part Number Index. A list, in ascending numerical sequence, of all National stock numbers appearing in the listings, followed by a list, in alphanumeric sequence, of all part numbers appearing in the listings. National stock numbers and part numbers are cross-referenced to each illustration figure and item number appearance.

3. Explanation of Columns.

The following provides an explanation of columns found in the tabular listings:

a. Illustration. This column is divided as follows:

(1)Figure number. Indicates the figure number of the illustration in which the item is shown.

(2)Item number. The number used to identify each item called out in the illustration.

b. Source, Maintenance, and Recoverability Codes (SMR).

(1)Source code. Source codes are assigned to support items to indicate the manner of acquiring support items for maintenance, repair, or overhaul of end items. Source codes are entered in the first and second positions of the uniform SMR Code format as follows:

CodeDefinition

PA – Item procured and stocked for anticipated or known usage.

XD – A support item that is not stocked. When

required, item will be procured through normal supply channels.

AH – Item to be assembled at general support maintenance level.

NOTE

Cannibalization or salvage may be used as a source of supply for any items source- coded above, except those coded XA, XD, and aircraft support items as restricted by AR 700-42.

(2)Maintenance code. Maintenance codes are assigned to indicate the levels of maintenance authorized to USE and REPAIR support items. The maintenance codes are entered in the third and fourth positions of the Uniform SMR Code format as follows:

(a)The maintenance code entered in the third position will indicate the lowest maintenance level authorized to remove, replace, and use the support item. The maintenance code entered in the third position will indicate one of the following levels of maintenance:

CodeApplication/Explanation

O – Support item is removed, replaced, used at the organizational level.

H – Support item is removed, replaced, used at the general support level.

(b)The maintenance code entered in the fourth position indicates whether the item is to be repaired and identifies the lowest maintenance level with the capability to perform complete repair (i.e., all authorized maintenance functions). This position will contain one of the following main- tenance codes:

CodeApplication/Explanation

H – The lowest maintenance level capable of complete repair of the support item is the general support level.

Z – Nonreparable. No repair is authorized.

(3)Recoverability code. Recoverability codes are assigned to support items to indicate the disposition action on unserviceable items. The recoverability code is entered in the fifth position of the Uniform SMR Code format as follows:

Recoverability

CodeDefinition

Z — Nonreparable item. When unserviceable, condemn and dispose at the level indicated in position 3.

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