Solicitation number, SPE4A6-12-R-0259, 46890356, 4010-00-056-6921 chain assembly, single leg.  Unit of issue is each. Solicitation is HUBZone small business set-aside, full and open competition after exclusion of a source.  In accordance with specification UNK RR-C-271F dated 10/3/2006. Non Commercial and is not CSI.     The solicitation will result in a definite quantity contract for 1,022 each.  The requested delivery is 30 days ARO.   The final contract award decision will be based upon Price and other Evaluation factors as described in the solicitation.  FOB Destination with Inspection Acceptance at destination/destination.  This solicitation includes provision 52.215-9023 , Reverse Auction. Since a Reverse Auction may be conducted, offerors  are encouraged to access the reverse auction website at  dla.procurexinc.com  to see  how to participate  in an auction.    Solicitation will issue on  October 11, 2012 with a closing date of November 12, 2012. A copy will be available via DLA Internet Bid Board System at https://www.dibbs.bsm.dla.mil.   RFP/IFB(s) are in portable document format (PDF). To download, you will need the latest version of Adobe Acrobat Reader. This software is available free at http://www.adobe.com. A paper copy will not be available to requestors.