The Army Contracting Command, Redstone Arsenal, AL intends to issue a Request For Proposal (RFP) to award a Firmed, Fixed Price (FFP) Indefinite Quantity (IDIQ) contract for five (5) years for maintenance and overhaul of input NSN/PN 6610-01-176-9314/101450-31243, 6610-01-176-9314, 101450-31243. Repairs shall be accomplished IAW Depot Maintenance Work Requirement (DMWR) 55-6610-394 Revision Date: 01/15/1987, change # 7 is adequate and has been identified to support the overhaul of the Altimeter, Encoder. Upon completion of the repair, as applicable, the items shall be packaged as defined in each individual delivery order of the contract and shipped to the destination(s) specified in each individual delivery order. This item is not a Critical Safety Item and therefore is solicited as a full and open competition.