Contracting Office, USPFO For Hawaii, 4208 Diamond Head Road, Honolulu, HI 96816-4495

99 -- COMMUNICATION EAR PLUG AND COMPONENTS SOL DAHA50-99-T-0003 DUE 021099 POC Joelyn Janicki, (808)733-4317 The Hawaii Army National Guard is seeking sources for Communication Ear Plugs (CEP), and Custom Soft Canal Tips. The CEP unit is a device used to provide hearing protection and high quality speech communications to the user. The CEP consists of a pair of elements used to provide a passive noise attenuation barrier between the users ear and the noise source and provide monaural voice communications signals to each ear. Each element consists of a plastic housing which contains and earphone transducer and a foam earplug tip. The transducer is directly connected to the communications system through a small, highly flexible coaxial wire with overall diameter of less than 1.5mm. The outer covering of the wire is treated to reduce the hardening effects caused by loss of the plasticizer. The CEP is connected into the communications circuit of the helmet through an SMB type connector. The CEP-helmet-interface consist of a mating 903 Series, 50-ohm SMB coaxial recessed bulkhead jack receptacle which is wired, via 12 GR-174 coaxial cable, into the communications circuit inside the right earcup. Modifications to add the CEP will not reduce the sound attenuation characteristics of the helmet when worn alone or affect the speech output level of the earphone earcup system. Custom Soft Canal Tips- The foam earplug tip fits into the ear of the user. The earplug tip has an internal threaded insert which extends through the center from the base to the tip, and mates with the threaded adapter on the transducer housing. The speech signal produced by the transducer is directly coupled into the occluded portion of the ear canal through the 1.3mm channel in the threaded adapter and foam earplug tip. The overall diameter of the plastic housing is approximately 10mm. If your company manufactures/sell this type of unit please mail brochures and specifications to United States Property & Fiscal Office, Hawaii Army National Guard, Purchasing & Contracting Division, 4208 Diamond Head Road, Honolulu, HI 96816-4495. This is forimformational purposes only, and is not to be construed as a commitment by the Government. Responses are requested by 10 February 1999 and will be used to develop a source of potential proposers for possible future solicitation. Posted 01/21/99 (W-SN290026). (0021)

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