PR-No.IQC08098009024. NSN 5965-01-506-7576.  Microphone-Headset.  Selex Communications (37EK0) PN 14320235 and Thales Communication (23886)  PN 1600567-1.  A 12-month Indefinite Delivery Purchase Order (IDPO) issued under FAR 13.5 with four 12-month option periods are anticipated. Pricing is sought for the following Quantity Price Break Ranges:  100 each - 499 each, 500 each - 999 each, 1,000 each - 2,499 each, 2,500 each - 4,999 each, 5,000 each - 7,500 each.  Requested delivery is 90 days for all quantities.  F.O.B. Destination, Inspection/Acceptance at Destination.  All shipping destinations to be CONUS DLA stock locations.  All responsible sources may submit a proposal, which shall be considered.  Other Than Full and Open Competition applies.  .  Copies of this solicitation will be available at the office address listed above, or by download from the internet at https://www.dibbs.bsm.dla.mil/rfp. Copies of the solicitation will not be available until 15 days after this notice is published in FedBizOpps.  Specifications, plans, or drawings are not available.  The only approved manufacturers are  Selex Communications (37EK0) PN 14320235 and Thales Communication (23886)  PN 1600567-1.  While price may be a significant factor in the evaluation of offers, the final award decision will be based upon a combination of price, delivery, past performance, and other evaluation factors as described in the solicitation.