Item: Gun Simulator Assembly. NSN: 4910-01-271-1464. PN: 12335670. QTY: 28 each. Option: 28 each. FOB: Origin. See Note 01. The offer due date is on or about 31 Jan 2002 (See solicitation for the actual due date -- the date reflected herein is merely a projected due date). All responsible sources may submit a proposal which will be considered.