Section I. INTRODUCTION - TM-55-1730-222-20P0002

TM 55-1730-222-20P

Section I. INTRODUCTION

1. Scope.

Definition

Code

This manual lists spares and repair parts re-

Item procured and stock for

quired for performance of Aviation Unit

anticipated or known usage.

Maintenance (AVUM) of the 3-ton hydraulic tripod

Item procured a n d stocked for

jack, P/N 8587. It authorizes the requisitioning

insurance purpose because essentiality

and issue of spares and repair parts as indicated

dictates that a minmum quantity be

by the source and maintenance codes.

available in the supply system.

Item procured and stocked and which

2. General.

otherwise would be coded PA except

This Repair Parts and Special Tools List is

that it is deteriorative in nature.

divided into the following sections:

A support item that is not stocked.

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

When required, item will be procured

spares and repair parts authorized for use in the

through normal supply channels.

performance of maintenance. Parts are listed in

figure and item number sequence. Items are in-

NOTE

dented when required to indicate the relationship

to the next higher assembly.

Cannibalization or salvage maybe used

as a source of supply for any items

b. Section III. Special Tools List. (Not Ap-

source coded above except aircraft sup

plicable).

port items as restricted by AR 700-42.

c. Section IV. National Stock Number and

Part Number Index. A list, in ascending National

(2) Maintenance Code. Maintenance codes

Item Identification Number (NIIN) sequence, of all

are assigned to indicate the levels of maintenance

National stock numbers appearing in the listings,

authorized to USE and REPAIR support items.

followed by a list, in alphanumeric sequence, of all

The maintenance codes are entered in the third and

part numbers appearing in the listings. National

fourth positions of the Uniform SMR Code format

stock number and part numbers are cross-

as follows:

referenced to each illustration figure and item

(a) The maintenance code entered in the

number appearance.

third position will indicate the lowest maintenance

level authorized to remove, replace, and use the

3. Explanation of Columns.

support item. The maintenance code entered in the

a. Illustration. This column is divided as

third position will indicate the following level of

follows:

maintenance:

(1) Figure Number. Indicates the figure

number of the illustration in which the item is

Code

Application/Explanation

shown.

Support item is removed, replaced,

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

used at the Aviation Unit Maintenance

tify each item called out in the illustration.

(AVUM) level.

b. Sourc, Maintenance, and Recoverability

(b) The maintenance code entered in the

Codes (SMR).

fourth position indicates whether the item is to be

(1) Source Code. Source codes are assigned

repaired and identifies the lowest maintenance

to support items to indicate the manner of acquir-

level with the capability to perform complete

ing support items for maintenance, repair, or

repair (i.e., all authorized maintenance functions).

overhaul of end items. Source codes are entered in

This position will contain the following

the first and second positions of the Uniform SMR

maintenance code:

Code format as follows: