SD-2 Dod Acquisitions Buying Commercial Items And Nondevelopmental ItemsThis document offers guidance on acquisitions involving all types of commercial and nondevelopmental items: systems, subsystems, assemblies, parts, and items of supply. Commercial services are also addressed.This document does not present a “cookbook” approach to the acquisition of commercial and nondevelopmental items; such an approach could not accommodate the vast array of potential applications. It does offer lessons learned and things to consider when participating on an integrated product team.

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•  Never comingle leaded and lead-free components in inventory or applications. Although maintaining dual inventories and manufacturing lines can be costly, the costs of failures can be far greater.

•  Stay informed about research on solder alloys being tested to replace tin-lead. Although none yet is a proven replacement for tin-lead, research may soon yield an acceptable sub- stitute that will meet high-reliability requirements.

Below are some relevant standards:

•  GEIA-STD-0005-1,"Performance Standard for Aerospace and High Performance

Electronic Systems Containing Lead-free Solder"

•  GEIA-STD-0005-2,"Standard for Mitigating the Effects of Tin Whiskers in Aerospace in

High Performance Electronic Systems"

•  GEIA-STD-0005-3,"Performance Testing for Aerospace and High Performance

Electronic Interconnects Containing Lead-Free Solder and Finishes"

•  GEIA-HB-0005-1,"Program Management/Systems Engineering Guidelines for

Managing the Transition to Lead-Free Electronics"

•  GEIA-HB-0005-2,"Technical Guidelines for Aerospace and High Performance Electronic

Systems Containing Lead-Free Solder and Finishes"

•  GEIA-HB-0005-3,"Rework and Repair Handbook for Aerospace and High Performance

Electronic Systems Containing Heritage SnPb and Lead-Free Solder and Finishes"

•  GEIA-HB-0005-4,"Impact of Lead Free Solder on Aerospace Electronic System

Reliability and Safety Analysis"

•  ASTM F2725-08,"Standard Guide for European Union's Registration, Evaluation, and

Authorization of Chemicals (REACH) Supply Chain Information Exchange."

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