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MIL-DTL-16036 Switchgear, Power, Low Voltage, Naval ShipboardThis specification covers the requirements for electrical power dead-front, deck-mounted, low voltage switchgear for Naval shipboard use.

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MIL-DTL-16036M(SH)
3.10.11 Pressure of bus bars. Bus bar joints shall be made in accordance with table VI and figure 15. Bolts for
bus bar joints may be lubricated (see 3.10.9.2) and tightened to the torques specified in table IV.
TABLE IV. Torque requirements for bus bar joints.
Torque (foot-pounds)
Bolt diameter
CRES and zinc plated steel
Silicon bronze/copper
(inches)
Min/max
Min/max
Min/max
Min/max
lubricated
non-lubricated
lubricated
non-lubricated
1/4
2/3
3/4
----
----
5/16
6/7
9/10
4/5
6/7
3/8
14/16
21/24
10/11
15/16
1/2
30/33
45/50
21/23
31/34
5/8
50/55
75/80
35/39
52/58
For connections made to circuit breaker studs, the torque requirements of table V shall apply.
TABLE V. Torque requirements for circuit breaker stud connections.
Torque (foot-pounds)
Copper stud
Steel cap screw size
Min/max
Min/max
size
lubricated
non-lubricated
3/8 - 16
----
7/8
10/12
1/2 - 13
----
15/17
22/25
3/4 - 16
----
25/28
37/42
1-1/8 - 12
----
40/44
60/66
----
5/8 - 11
50/55
75/80
----
1-8
130/145
195/215
5/16 - 24
----
5/6
7/9
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