MIL-PRF-3420H
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful,
but is not mandatory.)
6.1 Intended use. The treated carriers covered by this specification are intended for use in
specialized military methods of preservation. The combination of all performance characteristics of
MIL-PRF-3420; vapor inhibitor ability; vapor inhibitor ability after exhaustion; long term
protection; contact corrosivity; blocking resistance; water resistance of markings provide the
necessary requirements for protection from exposure to the extremes of the navy/naval aviation
environment. Navy/naval aviation items are exposed to high moisture, high salt concentration,
transfer at sea, rough handling, and minimal storage conditions. There are no commercial
equivalents that meet the physical, mechanical, and corrosion requirements necessary to protect
materiel that are exposed to the operational naval aviation environment. MIL-STD-2073-1 uses
MIL-PRF-3420 as the premier source of wrapping material coated or impregnated with a volatile
corrosion inhibitor that provides protection for applicable items encountering the above conditions.
MIL-PRF-3420 provides the building blocks for applying specialized military preservation
techniques approved under MIL-STD-2073-1.
6.1.1 End use required compatibility testing. Materials may not be used to package
assemblies containing plastic, painted, or rubber components, unless the specific inhibitor has
passed the compatibility test specified in MIL-I-8574. Additionally, VCI materials should not be
used in applications where they might come in contact with high explosives or propellants
associated with ammunition. Procedures covering the use of VCI materials are specified in MIL-
I-8574.
6.2 Acquisition requirements. Acquisition documents should specify the following:
a. Title, number, and date of the specification.
b. Class and style of treated carrier (see 1.2).
c. Form (rolls or flat cut sheets) and size required (see 3.4).
d. Utility rolls (specify quantity).
e. 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 QPL-3420 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 purchase orders for the
products covered by this specification. Information pertaining to qualification of products and
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