I
I
MILITARY SPECIFICATION
PLUGS. TELEPHONE, AND ACCESSORY
GENERAL SPECIFICATION FOR
This amendment forms a part of MIL-P-642D,
and is approved for use by all Departments
Department of Defense.
PAGE 9
4.6.8, delete and substitute:
“4.6.8 Vibration (see 3.6.7). Plugs shall be
with method 2005 of MIL-sTD-1344.
The following
shall
a.
b.
c.
d.
e.
f.
9.
Awsc
;INC1l-POUND;
MIL-P-642D
AMENDMENT
1
28 June 1920
SCREWS ,
dated 27 February 1979,
and Agencies of the
tested in accordance
details and exceptions
apply:
Method of mounting:
Plugs shall be mounted with their
longitudinal axis in a horizontal plane.
Test condition: I.
Direction of motion: Along the axis of the plug, and then
perpendicular to the axis of the plug.
Measurements during vibration: Each plug shall be monitored for
electrical continuity, using a test current of
100 32 milli-
amperes, dc. Loss of continuity for a period longer than 10
microseconds constitutes a failure.
Measurements
after vibration: contact resistance shall be
measured as specified in 4.6.4.
The vibration test shall be performed on plugs, both unmated
(without the mating jack) and mated (with the mating jack).
Mating jack: The applicable mating jack (see table IV) shall
have a
3 foot Z3 inch length of cord, of the type normally used
with the jack, attached and hanging free.
The plug shall be
inserted into the mating jack and shall remain inserted
throughout the mated portion of the test.-
10f2
N/A
FSC 5935
DISTRIBUTION STATEMENT A.
Approved for public release; distribution is
unlimited.
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