INCH POUND
MIL-DTL-18396E
15 April 2014
SUPERSEDING
MIL-S-18396D(SHIPS)
10 July 1973
DETAIL SPECIFICATION
SWITCHES, METER AND CONTROL, NAVAL SHIPBOARD
This specification is approved for use by all Departments and Agencies of the Department of Defense.
1. SCOPE
1.1 Scope. This specification covers the requirements for rotary type, class High-Impact (H.I.) shockproof switches
used in meter and control circuits for Naval shipboard applications.
1.2 Classification. The switches covered by this specification will be of the following types, as specified (see 6.2.1):
Type MC for use in both meter and control applications.
Type MO for use in meter applications only.
1.2.1 Ratings. The switches will have the following ratings, as specified (see 6.2.1):
Type MC
Make and break:
20 amperes, 125 volt alternating current (a.c.) (60 or 400 hertz (Hz)).
10 amperes, 250 volt a.c. (60 or 400 Hz).
5 amperes, 500 volt a.c. (60 or 400 Hz).
0.4 amperes, 355 volt direct current (d.c.).
Carry 20 amperes, all rated voltages.
Type MO
Make and break (inductive):
10 amperes, 120 volt a.c. (60 or 400 Hz).
3 amperes, 450 volt a.c. (60 or 400 Hz).
Carry 10 amperes, all rated voltages.
1.2.2 Switch characteristics.
1.2.2.1 Switch actuation. Switch actuation will be of the following types, as specified (see 6.2.1):
(a) Spring return (momentary action).
(b) Detent actin (nonspring return).
(c) Push-pull.
1.2.2.2 Switch circuitry. The switch circuitry will be as follows and as specified (see 6.2.1). The information will be
included in the drawings (see 3.10) and will include as a minimum:
(a)
Detailed circuit options.
(b)
Number of switch positions.
(c)
Number of poles.
(d)
Shorting or nonshorting contacts.
(e)
Location of switch stops; if required.
Comments, suggestions or questions on this document should be addressed to DLA Land and Maritime, ATTN: VAT,
Post Office Box 3990, Columbus, OH 43218-3990, or emailed to switch@dla.mil. Since contact information can
change, you may want to verify the currency of this address information using the ASSIST Online database at
AMSC N/A
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