This is a small business set-aside opportunity for 5 each of a cylinder assembly (NSN 3040-01-559-0540) with a 100% option quantity. The required delivery terms are FOB destination. The solicitation will include instructions for obtaining drawings and a provision allowing for a reverse auction pricing technique. If a reverse auction is held, contractors must be registered in the system and have completed online training prior to participation. The offer due date is on or about May 27, 2026.