MIL-DTL-15291G
6.2 Acquisition requirements. Acquisition documents must specify the following:
a Title, number, and date of this specification
b. ASSIST Online database at https://www.assist.dla.mil/ to be cited in the solicitation, and if
c. Packaging requirements (see 5.1)
d. Kit for panel seal mounting (see 3.1)
e. PINs of switches to be acquired (see 3.3.1)
f. Applicable complimentary documents (see 3.3.2)
g. Inspection requirements if other than as specified (see 3.3.2)
h. Materials, if other than as specified (see 3.4)
i. Insulation, if other than as specified (see 3.4.2.1)
j. Design, class and construction (see 3.5)
k. Threaded parts, if other than as specified (see 3.5.4)
l. Terminal hardware (see 3.5.6)
m. Handles (see 3.5.10)
n. Whether stops are required and their positions (see 3.6.1.2)
o. Marking (see 3.7)
p. Inspection for switches not covered by inspection sheets:
(1) The laboratory at which inspection is to be performed (see 4.4.3)
(2) Samples, submission of data, and test routine, if other than as specified (see 4.4.3.1)
q. Dielectric withstanding voltage: Test voltage, if other than as specified (see 4.7.5)
r. Circuit configuration and diagrams to be used for specifying the circuit configuration for each
switch section (see 4.7.9.1.1)
t. Level of preservation, level of packing, and other packaging options required (see 5.1)
u. When fire retardant lumber and plywood is not required (see 5.1).
v. Class of fire retardant fiberboard required (see 5.1).
6.3 Qualification. With respect to products requiring qualification, awards will be made only for
products which are, at the time of award of contract, qualified for inclusion in Qualified Products List
(QPL) whether or not such products have actually been so listed by that date. The attention of the
contractors is called to these requirements, and manufacturers are urged to arrange to have the products
that they propose to offer to the Federal Government tested for qualification in order that they may be
eligible to be awarded contracts or orders for the products covered by this specification. Information
pertaining to qualification of products may be obtained via email to vqp.chief@dla.mil or from the DLA
Land and Maritime, Attn: DLA Land and Maritime-VQP, 3990 East Broad Street, Columbus, OH 43213-
1199.
6.4 Switch wiring. Wiring connected to switch terminals should be formed to the switches and secured
as necessary to minimize strain exerted on the terminals and to provide flexibility suitable for the shock
and vibration conditions of the installation. Excessive strain may cause displacement of the contacting
tips of the terminals, resulting in poor contact and excessive heating.
6.5 Switch exercising. Switches that are operated infrequently in normal service should be exercised
periodically or when opportunity permits in order to retard drying of the contact lubricant and consequent
increase in contact resistance.
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