LOCATION AND DESCRIPTION OF MAJOR COMPONENTS

TM 9-4931-710-14&P

1-11 LOCATION AND DESCRIPTION OF MAJOR COMPONENTS

(1)

Objective Cell Assembly (1), The two viewing lenses

are located in this assembly.

(2)

Valve Stem (2). The valve stem is the attachment

point for the nitrogen purging hose (4).

(3)

Bleed Screw (3). Outlet port for purged nitrogen.

(4)

Base (4). Mounting point with weapon dovetail.

(5)

Reticle Cell Assembly (5). Contains the radioactive

reticle and light source.

(5)

Reticle Cell Assembly (5). Contains the battery pack.

Lever (6). Secures alinement device to dovetail.

(6)

1-12 EQUIPMENT DATA

M139 Alinement Device:

Length ............................................................................................................................... 22.30 in. (56.6 cm)

Width................................................................................................................................... 5.38 in. (13.7 cm)

Weight.............................................................................................................................. 2.96 lbs. (1.343 kg)

M139A1 Alinement Device:

Length ............................................................................................................................... 22.30 in. (56.6 cm)

Width................................................................................................................................... 5.38 in. (13.7 cm)

Weight.............................................................................................................................. 3.18 lbs. (1.442 kg)

M140 Alinement Device:

Length ............................................................................................................................... 11.80 in. (30.0 cm)

Width................................................................................................................................... 5.38 in. (13.7 cm)

Weight.............................................................................................................................. 1.90 lbs. (0.862 kg)

M140A1 Alinement Device:

Length ............................................................................................................................... 11.80 in. (30.0 cm)

Width................................................................................................................................... 5.38 in. (13.7 cm)

Weight.............................................................................................................................. 2.11 lbs. (0.957 kg)

M154 Alinement Device:

Length ...................................................................................................................................... 18.00 in. ( cm)

Width........................................................................................................................................... 6.50 in. (cm)

Weight.........................................................................................................................................3.80 lbs. (kg)

Change 3

1-5(1-6 blank)