| 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) | 01-641-0237 (016410237) |
| NCB Code | USA (01) |
| Manufacturer | Sennheiser Electronic Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 504211 | sennheiser electronic corporation | headset microphone | 7r839 | RFQ |
| S1 NOISEGARD | sennheiser electronic corporation | headset microphone | 7r839 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AEZD | SWITCH | INCLUDED |
| AHEQ | EARPHONE ELEMENT TYPE | DYNAMIC |
| AHES | EARPHONE QUANTITY | 2 |
| AMSA | CONTROLLING AGENCY | SENNHEISER |
| AMSB | IDENTIFYING NUMBER | SI NOISEGARD PART NO. OR 504211 TYPE NO. |
| BKSY | EARPHONE MOUNTING METHOD | SUSPENDED ON ADJUSTABLE HEADBAND |
| BKSZ | MICROPHONE MOUNTING FACILITY | BOOM ADAPTER ON LEFT SIDE OF HEADBAND |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | HEADSET WITH NOISEGARD FOR GENERAL AVIATION |
| Relevant Components for NSN - 5965-01-641-0237, 5965016410237 | ||||
| 5960-00-188-0930 (5960001880930) | 5905-01-265-9950 (5905012659950) | 5995-01-379-1584 (5995013791584) | 5962-01-243-3066 (5962012433066) | |
| 5995-01-565-3889 (5995015653889) | 5985-00-438-3422 (5985004383422) | 5995-01-570-5082 (5995015705082) | 5935-01-232-5654 (5935012325654) | |
| 5935-00-925-1739 (5935009251739) | 5985-01-314-9148 (5985013149148) | 5998-01-280-1852 (5998012801852) | 5935-01-310-6114 (5935013106114) | |
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