| Item Name | Earphone |
| Federal Supply Group (FSG) | Electrical and Electronic Equipment Components |
| Federal Supply Class (FSC) | 5965 Headsets Handsets Microphones and Speakers |
| National Item Identification Number (NIIN) | 00-464-6191 (004646191) |
| NCB Code | USA (00) |
| Manufacturer | Telephonics Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | EARPHONE,CIRCULAR |
| AARA | TERMINAL QUANTITY | 2 |
| ACYW | IMPEDANCE RATING IN OHMS | 300.0 NOMINAL |
| ADAV | OVERALL DIAMETER | 2.047 INCHES NOMINAL |
| AHBM | INPUT TERMINAL TYPE | PIN SIGNAL |
| AHEQ | EARPHONE ELEMENT TYPE | DYNAMIC |
| AHEZ | EARPHONE OVERALL DEPTH | 1.094 INCHES NOMINAL |
| AHFP | IMPEDANCE MATCHING DEVICE TYPE | TRANSFORMER |
| AHFS | ACOUSTIC SENSITIVITY REFERENCE RATING | NOT RATED |
| BKSY | EARPHONE MOUNTING METHOD | DIAMETRICALLY OPPOSED HOLES IN OUTSIDE PERIPHERY OF CASE |
| CQTM | TERMINAL LOCATION | EXTERNAL |
| CSCF | TERMINAL TYPE | SETSCREW |
| CSPT | SHELL MATERIAL | STEEL EARPHONE |
| Relevant Components for NSN - 5965-00-464-6191, 5965004646191 | ||||
| 5920-01-337-7645 (5920013377645) | 5995-01-688-0358 (5995016880358) | 5935-01-132-7705 (5935011327705) | 5910-00-152-4145 (5910001524145) | |
| 5945-01-363-9722 (5945013639722) | 5975-01-032-9067 (5975010329067) | 5998-01-433-6008 (5998014336008) | 5970-01-298-0394 (5970012980394) | |
| 5998-01-674-4887 (5998016744887) | 5935-01-294-4644 (5935012944644) | 5975-01-216-8288 (5975012168288) | 5915-00-412-1691 (5915004121691) | |
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