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|  MIL-R-48595A(AR)
AMENDMENT 2
PAGE 11
3.4.1 Shock., delete and substitute the following:
"3.4.1 Shock. The Rangefinder shall be capable of operating
as specified herein after exposure, under the conditions of 3.1.3,
to three shock pulses, shown in Figure 1 and with intensity as
shown below, applied in each direction along three mutually
perpendicular axes placed upon the assembly as shown in Figure 2
(see 4.6.3.1).
High Intensity
Basic
Part
y Axis
z Axis
x Axis
Design
Number
Nomenclature
404g*
404g*
404g*
203g
11743121 Receiver-
91ms
91ms
9 1 ms
Transmitter 1 8 3 m s
120 12 g
120 12 g
404g
120 12 g
Electronic
11743131
1 8 - 3 m s 1.7 0.2 ms 1.7 0.2 ms 1.7 O.2 ms
+
Unit
.
* Note indicates saw tooth shock pulse, all others 1/2 sine wave
shock pulses. Tolerances shall be in accordance with MIL-STD-810,
Method 516.2, Figure 516.2-1 except the limit of + 0.2/-0.3 on post
pulse oscillation peak amplitude shall not apply."
PAGE 18
TABLE IX, Test Equipment, Item 5, Delete "23-inch minimum diameter
circle, " and substitute "23-inch minimum diameter circle or 23
inch minimum square,".
PAGE 19
Delete part number and nomenclature of
TABLE IX, Test equipment.
items 6,7,8,and 9 and substitute:
Nomenclature
Part Number
Item
z
15 % minimum diffuse
4 ft minimum,
Target 3
6
reflectivity.
_
2
7
4 ft minimum, 80 % minimum diffuse
Target 4
reflectivity. 1/
The exact location of the target from the window
of
the
1/
Receiver-Transmitter shall be known within 1 meter.
2
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