MIL-DTL-55288E
3.13.1 Pure tin. The use of pure tin, as an underplate or final finish, is prohibited both internally and externally. Tin
content of antenna components and of solder shall not exceed 97 percent, by mass. Tin shall be alloyed with a
minimum 3 percent lead, by mass (see 6.14).
3.14 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally
preferable materials should be used to the maximum extent possible, provided that the material meets or exceeds the
operational and maintenance requirements, and promotes economically advantageous life cycle costs.
3.15 Workmanship (see 4.15). The equipment shall be manufactured and assembled in a workmanlike manner
and the applicable following references:
a.
Subject
Reference
Finish, protective
Marking
Fungus proofing treatment
b. In this specification:
3.4
Castings
3.5
Plastic materials and parts
3.6
Marking.
4. VERIFICATION
4.1 Test equipment and inspection facilities. Test and measuring equipment and inspection facilities of sufficient
accuracy and quantity to permit performance of the required inspection shall be established and maintained by the
manufacturer. The establishment and maintenance of a calibration system to control the accuracy of the measuring
and test equipment shall be in accordance with NCSL Z540.3.
4.2 Classification of inspection. The inspection requirements specified herein are classified as follows:
a.
First article inspection (does not include packaging, see 4.3).
b.
Inspection covered by subsidiary documents (see 4.4).
c.
Conformance inspection (see 4.5).
4.3 First article inspection. This inspection shall consist of the inspection specified in the subsidiary documents
covering the item listed in 4.4, and the inspection specified for group A, group B, and group C (see tables V, VI, and
VII, respectively.) Order and quantity of equipment to be subjected to environmental testing shall be as specified in
table V. Requirements for replenishment parts may differ from these requirements. See the acquisition documents
for specific requirements.
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