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 073198 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. 1 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 and to modify the synopsis as follows: This is a BRAND NAME OR EQUAL REQUIREMENT: Part Numbers listed are from Power Supply. Equal brands shall meet the following salient characteristics: 1. P/N FD-5.5-25.0 -- SERIES REGULATED AC-DC MODULAR POWER SUPPLIES FOR AIRBORNE, HIGH TEMPERATURE, HIGH SHOCK APPLICATIONS -- Module Dimensions: 6.5625" x 6.75" x 5.75"; Input Voltage Range: 105 -- 125 VAC; Input Frequency Range: 380 -- 420 Hz; Ripple RMS: 3mv or .004%,whichever is greater; Output Control Range: +/- 5 %; Operating Temperature:-55 deg f to +115 deg; Polarity: May be used positive or negative; Output Voltage: 5 vdc; Output current: 25 amps; Temperature coefficient: 1mv/deg c; Remote Sensing: connections provided for remote sensing of the output voltage to compensate for IR drop. MUST MEET MIL-STANDARD REQUIREMENTS: MIL-STD-202C; MIL-E-5400G,H; MIL-STD-810A; MIL-E-16400F; MIL-E-4970A; MIL-20200D; MIL-E-5272C; MIL-STD461B. 2. P/N FD15.8-12.0 -- SERIES REGULATED AC-DC MODULAR POWER SUPPLIES FOR AIRBORNE, HIGH TEMPERATURE, HIGH SHOCK APPLICATIONS. Module Dimensions: 6.5625" x 6.75" x 5.75"; Input Voltage Range: 105 -- 125 VAC; Input Frequency Range: 380 -- 420 Hz; Ripple RMS: 3mv or .004%,whichever is greater; Output Control Range: +/- 5 %; Operating Temperature:-55 deg f to +115 deg; Polarity: May be used positive or negative; Output Voltage: 15 vdc; Output current: 12 amps; Temperature coefficient: 1mv/deg c; Remote Sensing: connections provided for remote sensing of ; the output voltage to compensate for IR drop. MUST MEET MIL-STANDARD REQUIREMENTS: MIL-STD-202C; MIL-E-5400G,H; MIL-STD-810A; MIL-E-16400F; MIL-E-4970A; MIL-20200D; MIL-E-5272C; MIL-STD461B. 3. P/N FD15.28.0-12.0 -- SERIES REGULATED AC-DC MODULAR POWER SUPPLIES FOR AIRBORNE, HIGH TEMPERATURE, HIGH SHOCK APPLICATIONS. Module Dimensions: 4.94" x 13.06" x 5.75"; Input Voltage Range: 105 -- 125 VAC; Input Frequency Range: 380 -- 420 Hz; Ripple RMS: 3mv or .004%, whichever is greater; Output Control Range: +/- 5 %; Operating Temperature: -55 deg f to +115 deg f; Polarity: May be used positive or negative; Output Voltage: 28 vdc; Output current: 12 amps; Temperature coefficient: 1mv/deg c; Remote Sensing: connections provided for remote sensing of the output voltage to compensate for IR drop. MUST MEET MIL-STANDARD REQUIREMENTS: MIL-STD-202C; MIL-E-5400G,H; MIL-STD-810A; MIL-E-16400F; MIL-E-4970A; MIL-20200D; MIL-E-5272C; MIL-STD461B. The due date for receipt of quotes 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 07/21/98 (D-SN226379). (0202)

Loren Data Corp. http://www.ld.com (SYN# 0354 19980723\59-0007.SOL)