Section I. INTRODUCTION - TM-11-6660-219-20P0005

11-6660-219-20P

SECTION I

INTRODUCTION

source of supply for any items source coded

1. Scope.

above except those coded XA, XD, and air-

This manual lists repair parts and special tools required

craft support items as restricted by AR 700-

for performance of organizational maintenance of the

42.

AN/GMM-1 and AN/GMM-1A.

(2) Maintenance code. Maintenance codes are as-

signed to indicate the levels of maintenance authorized

2. General

to USE and REPAIR support items. The maintenance

This Repair Parts and Special Tools List is divided into

codes are entered in the third and fourth positions of

the following sections:

the Uniform SMR Code format as follows:

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

(a) The maintenance code entered in the third

authorized for use in the performance of maintenance.

position will indicate the lowest maintenance level au-

The list also includes parts which must be removed for

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

replacement of the authorized parts. Parts lists are

The maintenance code entered in the third position will

composed of functional groups in ascending numerical

indicate one of the following levels of maintenance:

sequence, with the parts in each group listed in figure

Application/Explanation

Code

and item number sequence.

- Support item is removed, replaced, used at the

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

organizational level.

c. Section IV. National Stock Number and Part

(b) The maintenance code entered in the fourth

Number Index. A list, in ascending National item iden-

position indicates whether the item is to be repaired

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

and identifies the lowest maintenance level with the

National stock numbers appearing in the listings, fol-

capability to perform complete repair (i.e, all au-

lowed by a list, in alphameric sequence, of all part

thorized maintenance functions). This position will con-

numbers appearing in the listings. National stock

tain one of the following maintenance codes:

number and part numbers are cross-referenced to each

Application/Explanation

Code

illustration figure and item number appearance.

- The lowest maintenance level capable of com-

plete repair of the support item is the organiza-

3. Explanation of Columns

tional level.

The following provides an explanation of columns found

- The lowest maintenance level capable of com-

in the tabular listings:

plete repair of the support item is the direct

a. Illustration. This column is divided as follows.

support level.

(1) Figure number. Indicates the figure number

- Nonreparable. No repair is authorized.

of the illustration in which the item is shown.

(3) Recoverability code. Recoverability codes are

(2) Item number. The number used to identify

assigned to support items to indicate the disposition

each item called out in the illustration.

action on unserviceable items. The recoverability code

b. Source, Maintenance, and Recoverability Codes

is entered in the fifth position of the Uniform SMR

(SMR).

Code format as follows:

(1) Source code. Source codes are assigned to sup-

Recoverability

Definition

codes

port items to indicate the manner of acquiring support

- Nonreparable item. When unserviceable, con-

items for maintenance, repair, or overhaul of end

demn and dispose at the level indicated in posi-

items. Source codes are entered in the first and second

tion 3.

positions of the Uniform SMR Code format as follows:

- Reparable item. When uneconomically repara-

Code

Definition

PA - Item procured and stocked for anticipated or

ble, condemn and dispose at the direct support

level.

known usage.

- Item requires special handling or condemna-

XD - A support item that is not stocked, When re-

tion procedures because of specific reasons

quired, item will be procured through normal

supply channels.

(i.e., precious metal content, high dollar value,

critical material or hazardous material). Refer

NOTE

to appropriate manuals/directives for specific

instructions.

Cannibalization or salvage may be used as a