The Eyepiece Assembly,optical Instru, cataloged under National Stock Number 5855-01-258-5161, is classified within Federal Supply Class 5855 (Night Vision Equipment, Emitted and Reflected Radiation) of the Communication, Detection, and Coherent Radiation Equipment group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5855-01-258-5161 |
| Item Name | Eyepiece Assembly,optical Instru |
| FSC / FSG | 5855 / 58 — Night Vision Equipment, Emitted and Reflected Radiation |
| Status | ACTIVE |
| FSC Application Data | NIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION |
| Diopter Scale | NOT INCLUDED |
| Special Test Features | INTERPRET IAW MIL-STD-100B |
| Supplementary Features | PARTS SHALL BE FREE TO ROTATE AFTER INSTALLATION |
| Eye for Which Designed | LEFT OR RIGHT |
| Focusing Type | ADJUSTABLE |
| Accessory Components and Quantity | SHUTTER LINKAGE SUPPORT 1; SHUTTER 1; RETAINER 1; ACTUATOR 1; LINK 2 |
| Lens Arrangement | PLANO-CONVEX |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SM-D-969270 | 5/2 Secondary reference U.S. Government activity |
| SM-D-969270 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5855-01-258-5161 is a Eyepiece Assembly,optical Instru, classified under FSC 5855, Night Vision Equipment, Emitted and Reflected Radiation. Status: active.
Key specifications for 5855-01-258-5161: FSC Application Data: NIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION; Diopter Scale: NOT INCLUDED; Special Test Features: INTERPRET IAW MIL-STD-100B; Supplementary Features: PARTS SHALL BE FREE TO ROTATE AFTER INSTALLATION. 8 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 5855-01-258-5161 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.