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 MIL-HDBK-1013/14
Table 9
NMSB Vehicle Barriers Available From Nasatka
Model
NMSB II*
NMSB
NMSB
NMSB
NMSB
IIIb*
IV*
VIIa
XI
Height, inches (cm)
31 (79)
33 (84)
31 (79)
28 (71)
20
168 (427)
168 (427)
168 (427)
168 (427)
Width, inches (cm)
168 (427)
10 ft
10 ft (3m)
9 ft (2.7m)
10 ft (3m)
10 ft (3m)
(3m)
clear
clear
clear
clear
clear
Normal operating cycle
3 to 5
3 to 5
3 to 5
3 to 5
3
(seconds)
Emergency operating
1
1
1
1
NA
cycle (seconds)
Kinetic energy absorbed
1.2 (0.16)
1.2 (0.16)
1.2 (0.16)
0.8 (0.11)
0.12
in impact testing, ft-lbf
(0.016)
(kgf-m) x one million
Kinetic energy rating by
NA
NA
NA
NA
NA
engineering analysis, ft-
lbf (kgf-m) x one
million (destruction of
vehicle with some
damage to barrier)
Barrier cost, $ x one
13
24
18
15
10
thousand for a single
system. Optional items
are extra.
Installation cost as a
60
35
60
40
40
percentage of equipment
cost
*DOS certified
NA = Not Available
8.1.6.2
Testing. The NMSB II was tested by NFESC, in conjunction with DOS. A 14,980-
pound (6,809-kg) vehicle at 50.3 mph (81 kph) failed to penetrate.
8.1.7
OMNISEC Defender Bollard
8.1.7.1
Description. The Defender, shown in Figure 20, is a 10-inch (25-cm) diameter by 30-
inch (76-cm) high, vertical-lift, steel bollard that can be lifted into position, either manually or
hydraulically. The compact size [10 inches (25.4 cm)] and ease of operation make this system
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