The Headborne Energy Analysis and Di, cataloged under National Stock Number 5865-01-564-3384, is classified within Federal Supply Class 5865 (Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Bae Systems Aerospace & Defense Group Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5865-01-564-3384 |
| Primary Part Number | 2109A |
| Item Name | Headborne Energy Analysis and Di |
| FSC / FSG | 5865 / 58 — Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment |
| Manufacturer | Bae Systems Aerospace & Defense Group Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | SENSOR INTERNALLY MOUNTS TO TOP OF LWH,SENSOR WEIGHS APPROXIMATELY 1.23 OUNCES,DESIGNED TO FIT UNDERNEATH CROWN PAD OF HELMET;BATTERY LIFE BETWEEN RECHARGE CYCLES IS APPROXIMATELY SIX MONTHS;BATTERY RECHARGED AUTOMATICALLY WHEN DOWNLOADING DATA VIA MICRO USB CABLE;SENSORS DYNAMIC ACCELERATION CAPTURE RANGE IS: 1G TO GREATER THAN,OR EQUAL TO 5000G;SENSOR HAS CONTINUOUS AND AUTOMATIC DATA CONNECTION (BLAST,BALLISTIC,CRASH AND BLUNT IMPACT EVENTS) WITH INDEFINITE DATA STORAGE;SENSOR HAS AN INTERGRATED PRESSURE SENSOR WITH PLUS 100 POUNDS PER SQUARE INCH ABSOLUTE RANGE TO DISCRIMINATE AGAINST NON-SIGNIFICANT IMPACT EVENTS (DROPPED/THROWN HELMET);SENSOR CAN RECORD IN EXCESS OF 600 EVENTS;HELMET SENSOR AUTOMATICALLY RE-ARMS FOLLOWING RECORDED EVENT LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2109A PRIMARY | Bae Systems Aerospace & Defense Group Inc. (USA) |
NSN 5865-01-564-3384 is a Headborne Energy Analysis and Di, manufactured by Bae Systems Aerospace & Defense Group Inc., classified under FSC 5865, Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment. Status: active.
NSN 5865-01-564-3384 has 1 manufacturer part number on file: 2109A (Bae Systems Aerospace & Defense Group Inc.).
Key specifications for 2109A: General Characteristics Item Description: SENSOR INTERNALLY MOUNTS TO TOP OF LWH,SENSOR WEIGHS APPROXIMATELY 1.23 OUNCES,DESIGNED TO FIT UNDERNEATH CROWN PAD OF HELMET;BATTERY LIFE BETWEEN RECHARGE CYCLES IS APPROXIMATELY SIX MONTHS;BATTERY RECHARGED AUTOMATICALLY WHEN DOWNLOADING DATA VIA MICRO USB CABLE;SENSORS DYNAMIC ACCELERATION CAPTURE RANGE IS: 1G TO GREATER THAN,OR EQUAL TO 5000G;SENSOR HAS CONTINUOUS AND AUTOMATIC DATA CONNECTION (BLAST,BALLISTIC,CRASH AND BLUNT IMPACT EVENTS) WITH INDEFINITE DATA STORAGE;SENSOR HAS AN INTERGRATED PRESSURE SENSOR WITH PLUS 100 POUNDS PER SQUARE INCH ABSOLUTE RANGE TO DISCRIMINATE AGAINST NON-SIGNIFICANT IMPACT EVENTS (DROPPED/THROWN HELMET);SENSOR CAN RECORD IN EXCESS OF 600 EVENTS;HELMET SENSOR AUTOMATICALLY RE-ARMS FOLLOWING RECORDED EVENT LBS; Special Features: HELMET SENSOR IS A SMALL,LIGHTWEIGHT,LOW-POWER SENSOR SUITE THAT MOUNTS TO THE LIGHT WEIGHT HELMET (LWH);HELMET SENSOR WILL DETECT,MEASURE AND RECORD IMPACT (ACCELERATION IN THREE DEGREES OF FREEDOM) AND BLAST OVERPRESSURE ASSOCIATED WITH CONCUSSIVE EVENTS/IED BLASTS THAT MARINES MAY EXPERIENCE IN OPERATIONAL ENVIROMENTS;DATA IS DOWNLOADED VIA A USB PORT TO ANY COMPUTER; Part Name Assigned by Controlling Agency: HEADBORNE ENERGY ANALYSIS AND DIAGNOSTIC SYSTEM (HEADS) HELMET SENSOR; End Item Identification: 8470-01-560-3267;HELMET,GROUND TROOPS. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5865-01-564-3384 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.