This is a sole-source FMS spares requirement for one unit of NSN 1680 016986587, with all terms governed by BOA N00383-26-G-P401. The initial induction period is 365 calendar days from contract award, with a government option to extend by up to 730 additional days. The contractor must propose option pricing for a maximum of one unit over the entire contract period, with separate pricing for the second year if costs change. The government may place an initial order for any number of units up to the specified maximum. No budget amount or performance location is specified.