AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Arm 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) | 00-256-8407 (002568407) |
| NCB Code | USA (00) |
| Manufacturer | Audio Sears Corp, Joint Electronics Type Designation System, Mason Electric Company, Roanwell Corporation, Military Standards Corp, Military Specifications, Department Of The Air Force |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 1147 | audio sears corp | arm microphone | RFQ |
| MT-521A U | joint electronics type designation system | arm microphone | RFQ |
| MT521AU | mason electric company | arm microphone | RFQ |
| CE266C | mason electric company | arm microphone | RFQ |
| 9951A | roanwell corporation | arm microphone | RFQ |
| MS25070 | military standards corp | arm microphone | RFQ |
| MIL-M-5793 | military specifications | arm microphone | RFQ |
| 46D40393 | department of the air force | arm microphone | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 9.000 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 1.250 INCHES NOMINAL |
| ADUM | OVERALL THICKNESS | 2.000 INCHES NOMINAL |
| AXGY | MOUNTING METHOD | W/SWIVEL SLIDE AND DETENT ACTION |
| BKSB | MICROPHONE ATTACHMENT METHOD | CLIP |
| FEAT | SPECIAL FEATURES | SHOCK RESISTANT |
| MATT | MATERIAL | STEEL |
| TEST | TEST DATA DOCUMENT | 81349-MIL-M-5793 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS,BROCHURES,ETC.,THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS,INDUSTRY DIRECTORIES,AND SIMILAR TRADE PUBLICATIONS,REFLECTIN |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | MT-521A/U TYPE |
| Relevant Components for NSN - 5965-00-256-8407, 5965002568407 | ||||
| 5999-01-196-8879 (5999011968879) | 5970-00-488-9670 (5970004889670) | 5945-01-477-0491 (5945014770491) | 5999-01-364-2930 (5999013642930) | |
| 5996-01-452-4386 (5996014524386) | 5945-00-260-1626 (5945002601626) | 5998-01-130-0814 (5998011300814) | 5905-00-557-4486 (5905005574486) | |
| 5935-01-689-9407 (5935016899407) | 5980-01-504-2998 (5980015042998) | 5935-00-644-6464 (5935006446464) | 5995-01-277-3853 (5995012773853) | |
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