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

66 -- RESISTIVE TEMPERATURE DETECTORS SOL 8-1-8-02-B8631 POC Carlos M. Smiley, Contracting Officer, Phone (205) 544-0355, Fax (205) 544-9083, Email carlos.smiley@msfc.nasa.gov -- Teresa A. Foley, Contracting Officer, Phone (205) 544-0335, Fax (205) 544-9080, Email teresa.foley@msfc.nasa.gov WEB: Click here for the latest information about this notice, http://nais.nasa.gov/EPS/MSFC/date.html#8-1-8-02-B8631. E-MAIL: Carlos M. Smiley, carlos.smiley@msfc.nasa.gov. This notice is a combined synopsis/solicitation for commercial items prepared in accordance with the format in FAR Subpart 12.6, as supplemented with additional information included in this notice. This announcement constitutes the only solicitation; quotes are being requested and a written solicitation will not be issued. This procurement is being conducted under the Simplified Acquisition Procedures (SAP). LINE ITEM NO: 1 QUANTITY: 20 UNIT: EA PLATINUM RESISTIVE TEMPERATURE DETECTORS, RTDS, LOX AND HYDROGEN COMPATIBLE, 1380 ICE POINT, CAPABLE OF OPERATING FROM -260 TO +260 DEG C, 2 INCH SHAFT IMMERSION LENGTH, 0.8" SENSITIVE LENGTH, 0.25" MAX UNIFORM SHAFT DIAMETER, 10,000 PSI WORKING PRESSURE, 20 MILLIAMP MAX CURRENT, 0.75 SECOND RESPONSE, MUST OPERATE IN FLOW VELOCITIES OF UP TO 75 FEET PER SECOND IN CRYOGENIC LOX, 7/16-20 UNJF-3A MOUNTING THREAD PER MS 33656-4, 10 SHELL 6 PIN MIL-C- 83723/11A ELECTRICAL CONNECTOR, PINS AS FOLLOWS +SIGNAL (A AND B) -SIGNAL (C AND D), VENDOR MUST SUPPLY MATING CONNECTOR, SAFETY WIRE CAPABILITY, ROSEMOUNT AEROSPACE PART NUMBER 179MA200D OR EQUAL MEETING THE SPECIFICATIONS BELOW. LINE ITEM NO: 2 QUANTITY: 10 UNIT: EA SAME AS ITEM NUMBER 1 EXCEPT 3 INCH IMMERSION LENGTH, ROSEMOUNT AEROSPACE PART NUMBER 179MA300D OR EQUAL MEETING THE SPECIFICATIONS BELOW. PLATINUM RESISTANCE TEMPERATURE DETECTOR SPECIFICATIONS Rosemount 179MA or Equal GENERAL Must be capable of operating in gaseous or liquid Hydrogen, Oxygen, Nitrogen or air environments with a temperature range of +/- 260 degrees Centigrade. Vender must supply a complete list of materials used for construction of RTD. Sensing element must be of "Strain Free Design". DIMENSIONS There are two probe immersion lengths needed, 2 inch and 3 inch. Immersion stem must be 2 +/-0.05" or 3 +/-0.05" in length and have 0.250" +0.002, -- 0.000 sheath diameter, uniform over entire sheath length. AT NO PLACE ON THE PROBE SHAFT SHALL THE DIAMETER EXCEED 0.025 +/-0.002 INCHES. Sensing element must be Platinum element wire and 0.80" max sensitive length. Must be of rugged construction. Hex Nut shall have 0.75" minimum diameter. CALIBRATION Each sensor will be calibrated at 0 deg. C., -195.87 deg. C., -182.97 deg. C., 100 deg. C., and 260 deg. C. Accurate to 0.016 deg. C. and must be traceable to the NIST. INSULATION RESISTANCE At room temperature, with dry external surfaces, each sensor will be given an insulation resistance test. The insulation resistance between any pin and the sensor housing shall exceed 100M ohms with 100 volts D.C. applied. PRESSURE Each sensor must withstand a working pressure of 10000 psig using Helium gas as the pressurizing medium. Each sensor must have a redundant seal such that failure of the primary seal does not result in liquid oxygen escaping through the electrical connector. The redundant seal must be located so that it would be intact if the stem of the probe were to break off. REPEATABILITY The sensor resistance must repeat at any point over the range within 0.03% of the temperature range over which the unitis cycled or to 0.10 deg.C., whichever is greater. CURRENT OVERLOAD A continuous applied current of 20 milliamperes shall not damage the sensor. TIME CONSTANT The time required for a 63.2% response of the sensor to a step change in temperature from room temperature air to #200 Dow Corning 1.5 CTSK oil flowing transverse to the sensor at 3 fps and at 76 +/- 4 deg. C. to be less than 0.75 seconds. SELF HEATING The sensor must be capable of dissipating an I2R power of 150 milliwatts with a temperature rise of less than 1.0 deg. C. when submerged in room temperature #200 Dow Corning 1.5 CTSK oil flowing transverse to the sensor at 3 fps. VIBRATION For immersion lengths of 3 inches or less, the RTD design must meet the vibration requirements of Mil-STD-810B, method 514.1 procedure V, levels U and AP. MECHANICAL SHOCK For immersion lengths of 3 inches or less, the RTD design must meet the shock requirements of Mil-STD-810B, method 515.1, procedure IV. This test specifies the following shocks be applied in each direction along each of three perpendicular axis: 1. Sawtooth pulse, 100g peak and 6 ms duration. 2. Half sine pulse, 100g peak and 6 ms duration. FLOW Sensor shall be not be damaged with 1 inch unsupported length immersed in water at ambient temperature flowing at a velocity of 75 feet per second transverse to the sensor for a period of 1 hour. COMPATIBILITY Must be capable of operating in LH2, LOX, GH2, and GOX. Stainless steel type 304L, Natural teflon, etc. are acceptable materials. ICE POINT Ice point resistance shall be 1380 +/-2.8 ohms. IDENTIFICATION Must have identification(serial number and model number) stamped on the housing hex flats and in addition the serial number model number, and manufacturers name to be electroetched on the RTD housing. RTD MOUNTING FITTING/THREADS Must have 7/16 -- 20 UNJF -- 3A thread, per MS 33656 -- 4. ELECTRICAL CONNECTOR Must have 10 shell 6 pin per Mil-C-83723/11A. Connections shall be as follows: Pins A and B, +signal; and Pins C and D, -signal. MATING CONNECTOR TO BE SUPPLIED BY VENDOR. SAFETY WIRE Safety wire holes must be drilled in hex in two places, 0.062" minimum diameter hole size. ****Note**** Each vendor submitting an equivalent quote to meet the attached specifications shall address each item in the sequence specified. The vendor shall provide information adequate to evaluate the quote without the evaluator trying to extract this information from the standard sales literature. Sales literature, either marked-up or unmarked as the sole submittal is not acceptable. Only field proven units or close variations thereof will be considered or evaluated to meet the stated specifications. The provisions and clauses in the RFQ are those in effect through FAC 97-03. This procurement is a total small business set-aside. See Note 1. The SIC code and the small business size standard for this procurement are 3823 and 500, respectively. The quoter shall state in their quotation their size status for this procurement. All qualified responsible business sources may submita quotation which shall be considered by the agency. Delivery to NASA/MSFC is required within 30 days ARO. Delivery shall be FOB Destination. The DPAS rating for this procurement is DO-C9. Quotations for the items(s) described above may be mailed or faxed to the identified point of contact by the date/time specified and include, solicitation number, FOB destination to this Center, proposed delivery schedule, discount/payment terms, warranty duration (if applicable), taxpayer identification number (TIN), identification of any special commercial terms, and be signed by an authorized company representative. Quoters are encouraged to use the Standard Form 1449, Solicitation/Contract/Order for Commercial Items form found at URL: http://procure.arc.nasa.gov/Acq/Standard_Forms/Index.html to submit a quotation. Quoters shall provide the information required by FAR 52.212-1. Addenda to FAR 52.212-1 are as follows: MSFC 52.23-91, NFS 1852.211-70, 1852.214-71 and 1852.215-84. Reserve paragraph(s) (d), (e), (f),(h), & (i) in 52.212-1. If the end product(s) quoted is other than domestic end product(s) as defined in the clause entitled "Buy American Act -- Supplies," the quoter shall so state and shall list the country of origin. The Representations and Certifications required by FAR 52.2l2-3 may be obtained via the internet at URL: http://nais.nasa.gov/msfc/pub/reps_certs/sats/ FAR 52.212-4 is applicable. Addenda to FAR 52.212-4 are as follows: MSFC 52.211-90, MSFC 52.232-90, NFS 1852.246-71, FAR 52.204-4, 52.211-15 and 52.247-34. FAR 52.212-5 is applicable and the following identified clauses are incorporated by reference: 52.222-26, 52.222-35, 52.222-36, 52.222-37, and 52.225-3. Questions regarding this acquisition must be submitted in writing no later than March 18, 1998. Quotations are due by March 25, 1998 to the address specified above. Selection and award will be made (on an aggregate basis) to the lowest priced, technically acceptable quoter. Technical acceptability will be determined by information submitted by the quoter providing a description in sufficient detail to show that the product quoted meets the Government's requirement. Quoters must provide copies of the provision at 52.212-3, Offeror Representation and Certifications -- Commercial Items with their quote. See above for where to obtain copies of the form via the Internet. Prospective quoters shall notify this office of their intent to submit a quotation. It is the quoter's responsibility to monitor this site for the release of amendments (if any). Potential quoters will be responsible for downloading their own copy of this combination synopsis/solicitation and amendments (if any). Any referenced notes can be viewed at the following URL: http://genesis.gsfc.nasa.gov/nnotes.htm. (0069)

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