Section I. INTRODUCTION - TM-11-5895-687-34P-10005

TM 11-5895-687-34P-1

SECTION I

INTRODUCTION

Code

Definition

1. Scope

PA--Item procured and stocked for anticipated

This manual lists repair parts required for per-

or known usage.

formance of direct support, general support, and

PB- Item procured and stocked for insurance

depot maintenance of the AN/TPX-50.

purpose because essentiality dictates that

a minimum quantity be available in the

2. General

supply systems.

PD-Support item, excluding support equipment,

This Repair Parts and Special Tools List is divided

procured for initial issue or outfitting and

into the following sections:

stocked only for subsequent or additional

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

initial issues or outfitting. Not subject to

parts authorized for use in the performance of

automatic replenishment.

maintenance. The list also includes parts which

XA--Item is not procured or stocked because the

must be removed for replacement of the author-

requirement for the item will result in

ized parts. Parts lists are composed of functional

the replacement of the next higher assem-

groups in ascending numerical sequence, with the

bly.

parts in each group listed in figure and item num-

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

ber sequence.

required, item will be procured through

normal supply channels.

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

c. Section IV. National Stock Number and Part

NOTE

Number Index. A list, in ascending numerical se-

Cannibalization or salvage may be used

quence, of all National stock numbers appearing

as a source of supply for any items source

in the listings, followed by a list, in alphanumeric

coded above except those coded XA, XD,

sequence, of all part numbers appearing in the list-

and aircraft support items as restricted

ings. National stock numbers and part numbers

by AR 70042.

are cross-referenced to each illustration figure and

(2) Maintenance code. Maintenance codes are

item number appearance.

assigned to indicate the levels of maintenance

authorized to USE and REPAIR support items.

3. Explanation of Columns

The maintenance codes are entered in the third

The following provides an explanation of columns

and fourth positions of the Uniform SMR Code

found in the tabular listings:

format as follows:

(a) The maintenance code entered in the

a. Illustration. This column is divided as follows:

third position will indicate the lowest maintenance

(1) Figure number. Indicates the figure num-

level authorized to remove, replace, and use the

ber of the illustration on which the item is shown.

support item. The maintenance code entered in

(2) Item number. The number used to iden-

the third position will indicate one of the following

tify item called out in the illustration.

levels of maintenance:

b. Source, Maintenance, and Recoverabitity

Application/Explanation

Code

Codes (SMR).

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

organizational level.

(1) Source code. Source codes are assigned to

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

support items to indicate the manner of acquiring

direct support level.

support items for maintenance, repair, or overhaul

D-Support items that are removed, replaced,

of end items. Source codes are entered in the first

used at depot, mobile depot, specialized re-

and second positions of the Uniform SMR Code

pair activity only.

format as follows: