# NSN 5965-00-900-6401: Headset-Chest Set, Electrical

NSN 5965-00-900-6401 (also written 5965009006401; NIIN 00-900-6401) is a headset-chest set, electrical in Federal Supply Class 5965, Headsets, Handsets, Microphones and Speakers. 19 manufacturer part numbers from 12 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5965-00-900-6401 (5965009006401)
- NIIN: 00-900-6401 (009006401)
- Item name: HEADSET-CHEST SET,ELECTRICAL
- Federal Supply Class: [FSC 5965 Headsets, Handsets, Microphones and Speakers](https://nsnexplorer.com/fsc/5965/)
- Federal Supply Group: [FSG 59](https://nsnexplorer.com/group/59/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| BKTJ | CHEST PLATE SUSPENSION METHOD | NECK STRAP |
| TEST | TEST DATA DOCUMENT | SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). 81349--IL-T-15514 |
| BKSW | MICROPHONE ELEMENT TYPE | DYNAMIC |
| BKSX | OUTPUT LEVEL RATING | SPECIFIED ACCUSTICAL INPUT AS PER SPEC BELOW |
| FEAT | SPECIAL FEATURES | SOUND POWERED TYPE ITEM INCLUDES DUAL EARPHONE HEADSET, TRANSMITTER MOUNTED, PUSH TO TALK SWITCH, CHESTPLATE WITH NECK STRAP AND A 20 FOOT CORDASSEMBELY WITH A PLUG IN ACCORDANCE WITH MIL-J-24649 P/N H-39A. |
| AHES | EARPHONE QUANTITY | 2 |
| BKSQ | EARPHONE IMPEDANCE RATING | KILOHMS NOMINAL 1.2 |
| ACZB | FREQUENCY RATING | HERTZ MINIMUM 750.0 AND HERTZ MAXIMUM 2600.0 |
| AFYY | IMPEDANCE RATING | OHMS NOMINAL 110.0 |
| BKSZ | MICROPHONE MOUNTING FACILITY | BRACKET(S) |
| BKSR | EARPHONE DC RESISTANCE RATING | OHMS NOMINAL 400.0 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 14746829 | K6451 | BAE SYSTEMS MARINE LIMITED | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3163275 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5965PL1369811 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6041779 PC6 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 702019-375 | 12763 | DYNALEC CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 815-1853010 | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 815-1853010-H-200U | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A475 | 78957 | COMDIAL BUSINESS COMMUNICATIONS CORP REPAIR DEPT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A59-11ALT0 | 73274 | HOSE-MCCANN TELEPHONE CO, INC DBA HOSE-MCCANN COMMUNICATIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A602 | 12763 | DYNALEC CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| GH9966 | 88671 | AUTO ELECTRIC CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H-200/U | 12763 | DYNALEC CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H-200/U | 80058 | JOINT ELECTRONICS TYPE DESIGNATION SYSTEM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H-200/U | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H-201/U | 78957 | COMDIAL BUSINESS COMMUNICATIONS CORP REPAIR DEPT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M15514-H-200/U | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-T-15514 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MILT15514 | 83642 | STANDARDIZATION DIVISION DIRECTORATE OF LOGISTICS SERVICES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SA7B | 83642 | STANDARDIZATION DIVISION DIRECTORATE OF LOGISTICS SERVICES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-01 | [SPE7LX20D0165/SPE7LX27F0294](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5965009006401) | HEADSET-CHEST SET, ELECTRICAL | DYNALEC CORPORATION | $286,840.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5965009006401&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5965009006401
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

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