The Head-Helmet Mount a, cataloged under National Stock Number 5855-01-559-9639, is classified within Federal Supply Class 5855 (Night Vision Equipment, Emitted and Reflected Radiation) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Nivisys, Llc. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5855-01-559-9639 |
| Primary Part Number | NVM-042 |
| Item Name | Head-Helmet Mount a |
| FSC / FSG | 5855 / 58 — Night Vision Equipment, Emitted and Reflected Radiation |
| Manufacturer | Nivisys, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| LFEWTM-006 | L.f.e. (FRA) |
| NVM-042 PRIMARY | Nivisys, Llc (USA) |
| NVM-042 | Selenia 2000 Srl (ITA) |
| L3NVM-042 | Selenia 2000 Srl (ITA) |
| Reference | Meaning |
|---|---|
| NVM-042 | 5/9 Secondary reference L3 Technologies, Inc. Dba Insight Technology Div Integrated Vision Solutions |
NSN 5855-01-559-9639 is a Head-Helmet Mount a, manufactured by Nivisys, Llc, classified under FSC 5855, Night Vision Equipment, Emitted and Reflected Radiation. Status: active.
NSN 5855-01-559-9639 has 4 manufacturer part numbers on file: LFEWTM-006 (L.f.e.), NVM-042 (Nivisys, Llc), NVM-042 (Selenia 2000 Srl), L3NVM-042 (Selenia 2000 Srl).
Key specifications for NVM-042: Part Name Assigned by Controlling Agency: HEAD-HELMET MOUNT INTERFACE (SWING ARM); End Item Identification: MINIMONOCULAR NUM2,NVM-000A7,ARMY. 0 specifications are 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 5855-01-559-9639 has DEMIL Code Q. 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.