The Diopter Focus Ring, cataloged under National Stock Number 5855-01-246-6812, is classified within Federal Supply Class 5855 (Night Vision Equipment, Emitted and Reflected Radiation) of the Communication, Detection, and Coherent Radiation Equipment group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Diopter Focus Ring |
| FSC / FSG | 5855 — Night Vision Equipment, Emitted and Reflected Radiation (FSG 58) |
| Parameter | Value |
|---|---|
| NSN | 5855-01-246-6812 |
| Item Name | Diopter Focus Ring |
| FSC / FSG | 5855 / 58 — Night Vision Equipment, Emitted and Reflected Radiation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| 300068-1 | 5/9 Secondary reference Itt and Varo a Joint Venture |
| A3144421 | 3/2 Design control — primary reference U.S. Government activity |
| A3144421 | 5/9 Secondary reference Itt and Varo a Joint Venture |
NSN 5855-01-246-6812 is a Diopter Focus Ring, classified under FSC 5855, Night Vision Equipment, Emitted and Reflected Radiation. Status: active.
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 5855-01-246-6812 has DEMIL Code D. 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.