| 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 | ||||
| 5975-01-629-6429 (5975016296429) | 5998-01-305-2341 (5998013052341) | 5930-01-584-0809 (5930015840809) | 5962-01-210-3065 (5962012103065) | |
| 5905-00-175-4284 (5905001754284) | 5950-01-458-0903 (5950014580903) | 5920-01-490-0904 (5920014900904) | 5998-01-475-9891 (5998014759891) | |
| 5995-01-575-7529 (5995015757529) | 5962-01-310-7304 (5962013107304) | 5935-01-240-1468 (5935012401468) | 5995-01-374-0247 (5995013740247) | |
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