| 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) | 01-454-8649 (014548649) |
| NCB Code | USA (01) |
| Manufacturer | Telex Communication Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 300400-001 | telex communication inc | headset microphone | 28856 | RFQ |
| AIR3500HE | telex communication inc | headset microphone | 28856 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ACZB | FREQUENCY RATING | 100.0 HERTZ MINIMUM AND 3.5 KILOHERTZ MAXIMUM |
| AFYY | IMPEDANCE RATING | 50.0 OHMS NOMINAL |
| AHEQ | III EARPHONE ELEMENT TYPE | DYNAMIC |
| AHES | EARPHONE QUANTITY | 2 |
| AMSB | IDENTIFYING NUMBER | 300400-001 PART NO. |
| BKSZ | MICROPHONE MOUNTING FACILITY | BOOM ADAPTER ON LEFT SIDE OF HEADBAND |
| BKTF | CONNECTOR IDENTIFYING NUMBER | TP-120 TYPE NO. AND U-93A/U TYPE NO. AND U-174/U TYPE NO. |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| AEZD | SWITCH | INCLUDED |
| AGAV | END ITEM IDENTIFICATION | HELICOPTER AIRCREW |
| AMSA | CONTROLLING AGENCY | TELEX COMMUNICATIONS |
| BKSY | EARPHONE MOUNTING METHOD | SUSPENDED ON ADJUSTABLE HEADBAND |
| BKTB | CONNECTOR NAME | PLUG |
| BKTG | CONNECTOR TO JUNCTION CORD LENGTH | 5.500 INCHES |
| FEAT | SPECIAL FEATURES | NOISE REDUCTION CAPABILITY OF 25 DECIBELS. 3 POSITION HEADBAND TENSION ADJUSTMENT. INCLUDES BOTH FOAM AND GEL EAR CUSHIONS. STEREO/MONO SWITCHABLE. DUAL VOLUME CONTROLS. HEADBAND CLAMP FORCE 2.1 LBS. COLOR IS NON-REFLECTIVE SATIN BLACK AND |
| AHEQ | EARPHONE ELEMENT TYPE | DYNAMIC |
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