| 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) | 01-274-6468 (012746468) |
| NCB Code | USA (01) |
| Manufacturer | Lockheed Martin Corporation, Roanwell Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AFYY | IMPEDANCE RATING | 6.0 OHMS NOMINAL |
| AHEQ | EARPHONE ELEMENT TYPE | DYNAMIC |
| AHES | EARPHONE QUANTITY | 2 |
| AMSA | CONTROLLING AGENCY | SPERRY |
| AMSB | IDENTIFYING NUMBER | 2893642 DRAWING NO. |
| BKSQ | EARPHONE IMPEDANCE RATING | 625.0 OHMS NOMINAL |
| BKST | EARPHONE IDENTIFYING NUMBER | 2893642 DRAWING NO. |
| BKSW | MICROPHONE ELEMENT TYPE | DYNAMIC |
| BKSY | EARPHONE MOUNTING METHOD | SUSPENDED ON ADJUSTABLE HEADBAND |
| BKSZ | MICROPHONE MOUNTING FACILITY | BOOM ADAPTER ON LEFT SIDE OF HEADBAND |
| BKTB | CONNECTOR NAME | PLUG |
| BKTF | CONNECTOR IDENTIFYING NUMBER | U-173 PART NO. |
| BLJN | CONNECTOR CONTROLLING AGENCY | SPERRY |
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| 5910-01-473-2951 (5910014732951) | 5910-01-337-0976 (5910013370976) | 5945-01-701-5176 (5945017015176) | 5962-01-293-2081 (5962012932081) | |
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