| Item Name | Headset Microphone |
| Federal Supply Group (FSG) | Electrical and Electronic Equipment Components |
| Federal Supply Class (FSC) | 5965 Headsets Handsets Microphones and Speakers |
| National Item Identification Number (NIIN) | 00-421-6440 (004216440) |
| NCB Code | USA (00) |
| Manufacturer | Roanwell Corporation, Joyce Machine Co, Orbital Company |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 109130 | roanwell corporation | headset microphone | 82872 | RFQ |
| 113860-690 | roanwell corporation | headset microphone | 82872 | RFQ |
| 492-149-001-690 | roanwell corporation | headset microphone | 82872 | RFQ |
| 492-149-001-694 | roanwell corporation | headset microphone | 82872 | RFQ |
| JTHM-57 492 | joyce machine co | headset microphone | 22861 | RFQ |
| JTHM-57 492 | orbital company | headset microphone | 012m4 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ACZB | FREQUENCY RATING | 0.2 KILOHERTZ MINIMUM AND 4000.0 KILOHERTZ MAXIMUM |
| AFYY | IMPEDANCE RATING | 30.0 OHMS NOMINAL |
| AHEQ | EARPHONE ELEMENT TYPE | MAGNETIC |
| AHES | EARPHONE QUANTITY | 2 |
| APAM | OPERATING CURRENT RATING | 60.0 MILLIAMPERES NOMINAL |
| BKSQ | EARPHONE IMPEDANCE RATING | 300.0 OHMS NOMINAL |
| BKSS | EARPHONE CONTROLLING AGENCY | ROANWELL CORP |
| BKST | EARPHONE IDENTIFYING NUMBER | 110970-53 PART NO. |
| BKSW | MICROPHONE ELEMENT TYPE | CARBON |
| BKSY | EARPHONE MOUNTING METHOD | SUSPENDED ON HEADBAND |
| BKSZ | MICROPHONE MOUNTING FACILITY | ADAPTER FASTENED TO RIGHT SIDE OF HEADBAND |
| BKTB | CONNECTOR NAME | PLUG |
| BKTF | CONNECTOR IDENTIFYING NUMBER | PJ-051R/5935-837-5969/ TYPE NO. |
| BKTG | CONNECTOR TO JUNCTION CORD LENGTH | 8.000 FEET |
| BLJN | CONNECTOR CONTROLLING AGENCY | MIL |
| Components Related to NSN - 5965-00-421-6440, 5965004216440 | ||||
| 5999-01-481-1051 (5999014811051) | 5995-01-569-3777 (5995015693777) | 5998-00-302-2814 (5998003022814) | 5930-00-422-0534 (5930004220534) | |
| 5998-01-289-0549 (5998012890549) | 5962-00-274-2396 (5962002742396) | 5962-01-093-6792 (5962010936792) | 5930-01-169-8149 (5930011698149) | |
| 5940-01-042-9428 (5940010429428) | 5910-01-624-2225 (5910016242225) | 5998-01-456-1741 (5998014561741) | 5935-00-020-7903 (5935000207903) | |
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