NASA Langley Research Center, Bid Distribution Office, MS 126 Hampton, Va. 23681-0001

59 -- AIRCRAFT POWER UPGRADE SOL 1-130-GNB.1228 DUE 070896 POC Tim Stubbs, Buyer (804) 864-2460. Category 59 -- Aircraft Power Upgrade -- SOL 1-130-GNB.1228 DUE 07-8-96 POC Tim Stubbs 804-864-2460 or e-mail t.p.stubbs@larc.nasa.gov. 1) Avionics Instruments, Inc., Part Number 4B3500-2E-NB1607 3500VA, 60 Hz Converter with input voltage 115/200 VAC, three phase WYE connection. Nominal power interruption per Mil-Std-704E. Input frequency 400 Hz nominal, 360-440 Hz normal. 16A per phase input current maximum for rated load. Input power factor not less than 0.9 for rated load. Output voltage 115 VAC +/- 3 percent single phase and transients per Mil-Std-704E. Output Frequency 60+/- 1 Hz, output power 3500VA nominal. Output waveshape 1.5 percent THD typical 5.0 percent maximum, normal operation output power factor 0.75 lag to 0.8 lead and not damaged by any power factor. Efficiency 85 percent at full load. Protections provided for output voltage, output over/under frequency, over-temperature, short circuit, input loss of phase, input over/under-voltage. Ambient operating range -55 degrees C to +71 degrees C, storage -65 degrees C to +85 degrees C. Environmental specifications shall meet RTCA DO-160C for temperature, altitude, humidity, shock, vibration, explosive atmosphere, waterproofs, fluid susceptibility, sand and dust, fungus, salt spray, magnetic effect, lighting and EMI. Unit 18'' L x 9.0''W footprint, 6.0'' high. Maximum weight of 45.0 lbs. Shall operate with additional units in parallel up to 14KVA, in three phase up to 42KVA and in phase lock or equal. 2) Avionics Instruments, Inc., Transformer Rectifier Unit, Model No. TRU3500-1A-1573. Input voltage 190 VAC to 210 VACL-L three phase four wire WYE meets Mil-Std-704D. Input current 12.5A per phase max full load. Input frequency 380 Hz to 422 Hz. Input power factor 0.95 minimum at full load. Output voltage 24-30 VDC. No load thru full load. Output current 125A continuous. Efficiency 85 percent minimum at full load. Overload and short circuit protection. 5.0'' x 10.0'' footprint, 5.2'' high with maximum weight 13.5 lbs or equal. 3) Avionics Instruments, Inc., Part Number 1-001-4822-0213, Interconnect Cable, to mate with P3 on Avionics instruments, Inc., Part Number 4B3500-2E-NB-1607, 60 Hz Converter or equal. This notice constitutes a complete Request for Quotations (RFQ). No additional RFQ is available. This procurement is 100 percent set aside for small business concerns. This is a commercial item procurement, see FAR Part 12. FAR Clauses 52.212-1, 52.212-2, 52.212-3, 52.212-4, and 52.212-5 are incorporated by reference. Quotes may be mailed to NASA Langley Research Center, Mail Stop 138, Hampton, VA 23681-0001, or faxed to 804-864-6131, solicitation number must be cited in either case. The quote must be for the item(s) described above, contain a CERTIFICATION that the offeror is a small, small disadvantaged, or small woman-owned business, be FOB destination to this Center, include the proposed delivery schedule and discount/payment terms and warranty duration (if applicable), and be signed by an authorized company representative. Offerors should include their taxpayer identification number (TIN). Quotes are due by 3:00 p.m. local time on 07-8-96. All timely quotes received from small businesses will be considered. Quotes must include adequate information and submittals to determine whether the proposed item(s) will meet the requirement described above. Product literature is recommended for technical information. Evaluations will be per line item, and award(s) will be for the best value to the Government, with price, technical, and past performance considered essentially equal. Award is anticipated within 7 days of the date quotes are due. This procurement is being conducted under the Simplified Acquisition Procedures. An ombudsman has been appointed to hear concerns from offerors, potential offerors, and contractors during the preaward and postaward phases of this acquisition. The purpose of the ombudsman is not to diminish the authority of the contracting officer, the Source Evaluation Board, or the selection official, but to communicate concerns, issues, disagreements, and recommendations of interested parties to the appropriate Government personnel and to work to resolve them. When requested, the ombudsman will maintain strict confidentiality as to the source of the concern. The ombudsman does not participate in the evaluation of proposals, the source selection process, or the adjudication of formal contract disputes. Concerned parties may call the installation ombudsman Belinda Adams at 804-864-8989. DO NOT CALL THE OMBUDSMAN FOR SOLICITATION REQUESTS/INFORMATION. Concerns, issues, disagreements, and recommendations which cannot be resolved by the installation ombudsman may be referred to the NASA Agency ombudsman Tom Luedtke at 202-358-2090. Before consulting with any ombudsman, interested parties must try to resolve their concerns with the contract specialist or the contracting officer. For solicitation requests/information, contact the point of contact (POC) listed at the beginning of this synopsis. 2 (0171)

Loren Data Corp. http://www.ld.com (SYN# 0284 19960620\59-0001.SOL)