NASA/Dryden Flight Research Center, Code A, P.O. Box 273, Edwards, CA 93523-0273

59 -- INSTRUMENTATION POWER SUPPLIES FOR F18 SOL P8RI08043-MXS DUE 081098 POC Monique M. Sullivan, Contracting Officer, Phone (805) 258-2593, Fax (805) 258-2904, Email monique.sullivan@mail.dfrc.nasa.gov WEB: Click here for the latest information about this notice, http://nais.nasa.gov/EPS/DFRC/date.html#P8RI08043-MXS. E-MAIL: Monique M. Sullivan, monique.sullivan@mail.dfrc.nasa.gov. THIS NOTICE CONSTITUTES AMENDMENT NO. 4 TO THE COMBINED SYNOPSIS/RFQ FOR INSTRUMENTATION POWER SUPPLIES FOR F18. Companies shall acknowledge all amendment(s) in their quote. This notice serves as the official amendment to subject synopsis/RFQ and a written amendment will not be issued. The purpose of this amendment is to respond to questions submitted. 1. The power supplies will be in a open environment. The maximum altitude requirement is 100,000 feet. 2. The cooling method used for these power supplies will be forced air at approx. 40 lpm (cubic ft/min divided by orfice area in sq/ft). 3. A few examples, of what parts of the Mil requirements in effect for the power supplies, are: Mil-e-5272c : Temp:Procedure II,viz.;Temp-Altitude:Procedure I(100,000ft),viz,; Temp-Shock:Procedure I,viz.; Humidity:Procedure I (240 hrs )viz.; Salt Spray:Fed Std 151, method 811, Procedure I viz. Mil-Std-461b : EMI/RFI: Test Method Mil-Std-462viz.,Limit CE03,NOTICE 1,3;Limit CE04,NOTICE 4;Limit RE02,NOTICE 1,3,4,;Mil-1-16910c,Paragraph 3.6.1 and 3.6.2 and Mil-1-6181d,Paragraph 4.3.4.1.1 viz. Mil-E-5400H: Vibration fiqure 5 curve 1.,and Shock class 1,light weight,type B. The environmental environment of the power supplies will be extreme. The due date for receipt of offers is not extended. Companies shall provide the information stated in the synopsis/RFQ posted on the NASA Acquisition Internet Service (NAIS) on 7/15/98. Documents related to this procurement are available over the Internet and are in Microsoft Office Suite (Word 6.0, Excel 5.0, or PowerPoint 4.0) format and reside on the World Wide Web (WWW) server which may be accessed using a WWW browser application. The WWW address or URL of the NASA/DFRC Business Opportunities home page is http://procurement.nasa.gov/EPS/DFRC/class.html. Posted 07/31/98 (D-SN231312). (0212)

Loren Data Corp. http://www.ld.com (SYN# 0328 19980804\59-0009.SOL)