MIL-DTL-24308G

w/AMENDMENT 2

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3.3.6.3 Finish for classes D, K, and M connectors. All metal parts for classes D and K connectors shall be

Electroless Nickel in accordance with SAE AMS2404, class 3 or 4, .0005 inch minimum thickness or electrically

conductive nickel-phosphorus conforming to ASTM B733, class 1 or 2, type III, .0005 inch minimum thickness. The

finish shall be dull. Use of a suitable underplate is permissible. For class M, the finish shall be gold in accordance

with ASTM B488 grade C, class 1.27 over a suitable underplate (see 6.5). A silver underplate shall not be used.

3.3.7 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.

3.3.8 Pure tin. The use of pure tin is prohibited. Tin content used in connector materials shall not exceed 97

percent, and an alloy material shall be chosen to inhibit the growth of tin whiskers (see 6.7).