This is a solicitation issued under Emergency Acquisition Flexibilities for a Critical Application Item. Only government-approved sources of supply are eligible, and offers from unapproved sources will be deemed technically unacceptable. Authorized distributors must submit a copy of their distributor letter on the source's letterhead to the buyer at the time of proposal submittal. The procurement includes standard federal clauses on Buy American, equal opportunity, security prohibitions, and other compliance requirements. Performance location and budget specifics are not indicated in the description.