MIL-C-25F
4.6.16 Flashpoint of impregnant or filling compound (see 3.18). The flash-point of impregnant or filling compound
shall be measured as specified in ASTM Publication D92, except that fire point and precision do not apply. The word
"impregnant" shall be substituted for the word "oil" throughout the test method.
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the contract or order
(see 6.2). When packaging of materiel is to be performed by DoD or in-house contractor personnel, these personnel
need to contact the responsible packaging activity to ascertain packaging requirements. Packaging requirements are
maintained by the Inventory Control Point's packaging activities within the Military Service or Defense Agency, or
within the military service's system commands. Packaging data retrieval is available from the managing Military
Department's or Defense Agency's automated packaging files, CD-ROM products, or by contacting the responsible
packaging activity.
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.)
6.1 Intended use. These paper or plastic capacitors, because of their low-power factor, high-breakdown voltage,
low-dielectric absorption, and high-insulation resistance, are intended for use in filter, bypass, and blocking
applications were the ac component of the impressed voltage is small with respect to the dc voltage rating.
Capacitors covered by this specification are unique due to the fact that these devices must be able to operate
satisfactorily under the following demanding conditions: low frequency vibration and wide temperature fluctuations.
These capacitors also receive 250 hours of life testing. Commercial components are not designed to withstand these
military environmental conditions.
6.2 Ordering data. Procurement documents should specify the following:
a. Title, number, and date of this specification.
b. Title, number, and date of the applicable specification sheet, and the complete PIN (see 1.2.1 and 3.1).
c. Packaging requirements (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 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 from the Defense Supply Center,
Columbus, ATTN: DLA Land and Maritime-VQP, PO Box 3990, Columbus, OH 43218-3990, or by e-mail to
vqp.mp@dla.mil. An online listing of products qualified to this specification may be found in the Qualified Products
Database (QPD) at https://assist.daps.dla.mil.
6.4 PIN. This specification requires a PIN that describes codification or classification and appropriate references
6.5 Environmentally preferable material. Environmentally preferable materials should be used to the maximum
extent possible to meet the requirements of this specification. As of the dating of this document, the U.S.
Environmentally Protection Agency (EPA) is focusing efforts on reducing 31 priority chemicals. The list of chemicals
and additional information is available on their website at https://www.epa.gov/osw/hazard/wastemin/priority.htm.
Included in the list of 31 priority chemicals are cadmium, lead, and mercury. Use of the materials on the list should
be minimized or eliminated unless needed to meet the requirements specified herein (see section 3).
6.6 Subject term (key word) listing.
Capacitance
Vibration
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