Section I. INTRODUCTION

TB 9-2300-422-20

1-1. Purpose.

This bulletin is published to provide security of tactical wheeled vehicles. These instructions are based on requirements

established by directive (AR 190-51 Security of Army Property at Unit and Installation Level).

1-2. Scope.

a. This bulletin establishes minimum requirements needed to achieve the protection required for tactical vehicles of

all classes.

b. If vehicles are equipped with devices that attain a degree of security equal to that provided by those described in

this TB, vehicles need not be modified solely to make them exactly compatible with the devices illustrated.

1-3. Installation Level.

Organizational Maintenance shall perform the installation of security devices described within the bulletin.

Section II. PROCEDURES

2-1. General

a. All vehicles listed (Table 1) will utilize the appropriate clamp to attach the chain to the steering column. Typical

clamp is shown (Fig. 1).

Table 1. Recommended Clamps for Listed Vehicles

VEHICLE

CLAMP w/Bolts, Nut, Washer

NSN

M151,1/4 Ton Trk

MS53041-1

5340-00-756-2403

M561, 1 1/4 Ton Trk

MS53041-2

5340-00-059-5442

M35, 2 1/2 Ton Trk

MS53041-2

5340-00-059-5442

M39/M809, 5 Ton Trk

MS53041-2

5340-00-059-5442

M656, 5 Ton Trk

MS53041-2

5340-00-059-5442

M123, 10 Ton Trk

MS53041-2

5340-00-059-5442

M746 HET

MS53041-2

5340-00-059-5442

M911, 20 Ton Trk

MS53041-3

5340-00-079-8610