The Sight,thermal, cataloged under National Stock Number 5855-01-685-6517, 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 Yukon Advanced Optics Inc. Government technical data includes 2 specifications, 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 | 5855-01-685-6517 |
| Primary Part Number | 77421 |
| Item Name | Sight,thermal |
| FSC / FSG | 5855 / 58 — Night Vision Equipment, Emitted and Reflected Radiation |
| Manufacturer | Yukon Advanced Optics Inc |
| Status | ACTIVE |
| Magnification | 16.4 MAXIMUM |
| Supplementary Features | 16 GB MEMORY,VIDEO AND PHOTO RECORDER GB |
| 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 |
|---|---|
| 77421 PRIMARY | Yukon Advanced Optics Inc (USA) |
NSN 5855-01-685-6517 is a Sight,thermal, manufactured by Yukon Advanced Optics Inc, classified under FSC 5855, Night Vision Equipment, Emitted and Reflected Radiation. Status: active.
NSN 5855-01-685-6517 has 1 manufacturer part number on file: 77421 (Yukon Advanced Optics Inc).
Key specifications for 77421: Magnification: 16.4 MAXIMUM; Supplementary Features: 16 GB MEMORY,VIDEO AND PHOTO RECORDER GB; Overall Length: 143.0 MILLIMETERS NOMINAL MM; Overall Width: 41.0 MILLIMETERS NOMINAL MM. 2 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 5855-01-685-6517 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.