The Viewing Set,night Vision, cataloged under National Stock Number 5855-01-540-5922, 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 Fjw Optical Systems, Inc Dba Fjw Optical Systems Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Viewing Set,night Vision |
| FSC / FSG | 5855 — Night Vision Equipment, Emitted and Reflected Radiation (FSG 58) |
| Manufacturers | Fjw Optical Systems, Inc Dba Fjw Optical Systems Inc (CAGE 34870) |
| Parameter | Value |
|---|---|
| NSN | 5855-01-540-5922 |
| Primary Part Number | 84499C |
| Item Name | Viewing Set,night Vision |
| FSC / FSG | 5855 / 58 — Night Vision Equipment, Emitted and Reflected Radiation |
| Manufacturer | Fjw Optical Systems, Inc Dba Fjw Optical Systems Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 84499C PRIMARY | Fjw Optical Systems, Inc Dba Fjw Optical Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 85268A | 5/9 Secondary reference Fjw Optical Systems, Inc Dba Fjw Optical Systems Inc |
| 5855PL1948981 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 85268 | 5/9 Secondary reference Fjw Optical Systems, Inc Dba Fjw Optical Systems Inc |
| 17G443556-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| 85268A | 5/9 Secondary reference U.S. Government activity |
NSN 5855-01-540-5922 is a Viewing Set,night Vision, manufactured by Fjw Optical Systems, Inc Dba Fjw Optical Systems Inc, classified under FSC 5855, Night Vision Equipment, Emitted and Reflected Radiation. Status: active.
NSN 5855-01-540-5922 has 1 manufacturer part number on file: 84499C (Fjw Optical Systems, Inc Dba Fjw Optical Systems Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5965-01-583-4249, 5855-01-663-8751. Verify interchangeability with system specifications before substitution.
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 5855-01-540-5922 has DEMIL Code C. 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.