This requirement is for a quantity of 12 units of an NSN part, with delivery FOB origin. The item is flight critical and requires Government source approval prior to contract award, meaning only previously approved sources have been solicited. If you are not an approved source, you must submit the required source approval information detailed in the NAVSUP WSS brochures with your proposal. Offers that fail to provide all required data will not be considered for award. Award will only be made if the offeror, product, or manufacturer meets qualification requirements at the time of award.