NASA, George C. Marshall Space Flight Center, Procurement Office, Marshall Space Flight Center, AL 35812

66 -- HYDRAULIC CYLINDER WITH 26-INCH BORE SOL 8-P-5-16-86398 POC Contact Patricia Fundum, GP22/Contracting Officer NASA/MSFC plans to issue a Request for Offer (RFO) for - a quantity of one - Hydraulic Cylinder with the following Specifications: Bore: 26.000 inches. (Metric manufacturers may wish to submit a slightly alternative bore size based on barrel material availability); -- Rod diameter: 12.000 inches. (Metric manufacturers may wish to submit a slightly alternative rod size based on rod material availability); -- Stroke: 12.0 inches; -- Pressure rating: 5000 psig. tension, 4000 psig. compression; -- Safety Factors: Shall meet ASME Boiler and Pressure Vessel Code ( i.e. shall have a 4:1 ultimate factor of safety at rated pressure ). It should be understood by the manufacturer that the cylinder is to be used in a high capacity tensile test machine ( 2 million pounds force in tension and compression ) and that shock loads are anticipated. The cylinder should be designed accordingly; -- Cylinder rod and bore shall be hard chrome plated for wear and corrosion resistance. Chrome thickness shall not be less than .001 inches. after final honing and polishing; -- Rod seal, rod wiper and rod bushing shall be retained by a bolted flange on the cylinder head so that removal of these parts does not require removal of the cylinder head; -- Teflon rod and U-cup piston seals shall be used. Seals shall be mechanically locked to prevent rolling or blowout; -- Cylinder shall have a cylindrical head flange for mounting the cylinder ( similar to NFPA MF5 ); -- The cylinder shall have an oversized rod length so that the dimension from the base of the threads on the rod end shall be 8.0 ins. from the outer face of the mounting flange on the cylinder head when the rod is fully retracted; -- MSFC personnel shall witness a proof pressure test at the manufacturer's location. The proof pressure test shall be to 1.5, 1, .75, .5, .25, and .1 times the cylinder's pressure rating in both tension and compression. The cylinder shall not leak more than 1.0 fluid ounce per minute internally during the test. Additionally, the cylinder shall not be damaged during the test nor shall it leak externally; -- Offerors shall submit engineering drawings and specifications along with supporting engineering analysis for the proposed cylinder, with initial offer; -- The manufacturer's name, city and state; date of manufacturer; pressure rating; bore; stroke; and rod diameter shall be stamped into metal plates mechanically attached to the cylinder or shall be stamped directly into the cylinder in at least 4 locations so that the information specified can be seen regardless of the cylinder orientation. Lettering shall be not less than 3/16-inch tall; -- The rod bushing shall be of nodular iron or bronze; -- The piston shall have a bronze filled Teflon or non-metallic wear band to prevent cylinder scoring and reduce wear; -- Offerors price shall include shipping to MSFC, AL; -- Cushions are not required; -- Flats or spanner holes shall be provided near the base of the threads of the threaded rod end to facilitate installation and removal of adapters on the end of the cylinder rod; -- The cylinder shall be provided with SAE-12 ports; -- Within 30 days after delivery to MSFC, MSFC will perform acceptance tests on the cylinder. Internal leakage shall not exceed 1 fluid ounce per minute at any pressure less than or equal to the rated pressure. There shall be no external leakage or cylinder damage; -- The cylinder rod end and the cylinder mounting shall be designed for a minimum ultimate safety factor of 3 and a minimum yield safety factor of 2 at the cylinders rated pressure; -- The rod end shall have 11.0 inches of 11-2 Stub Acme thread. The thread shall be male; -- Failure to meet any of the criteria agreed upon or to pass any test will be cause for non-payment of the contract and for return of the cylinder to the manufacturer at the manufacturer's cost. Complete specifications will be included in the RFO -- This procurement is being conducted under the NASA/MSFC MidRange Pilot Test Program approved by the Office of Federal Procurement Policy on April 16, 1993 -- Requests for copies of the RFO must be submitted in writing -- Transmission by facsimile to 205-544-9081 or by Internet e-mail to patricia.fundum@msfc.nasa.gov is acceptable -- RFO will be released on or about 15 days after publication in the Commerce Business Daily (CBD) -- Firm date for receipt of offers will be stated in the RFO -- This procurement is a total small business set-aside -- All responsible business sources may submit an offer which shall be considered by the agency -- The solicitation and any related documents to this procurement will be available over the Internet -- These documents will be in ASCII format and reside on a World-Wide Web (WWW) server, which may be accessed using client browsers, such as, MOSAIC -- The WWW address, or URL, of the MSFC Procurement home page is: ''http://procure.msfc.nasa.gov''. 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