The Cell,optical Element, cataloged under National Stock Number 5855-00-930-2644, 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 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5855-00-930-2644 |
| Item Name | Cell,optical Element |
| FSC / FSG | 5855 / 58 — Night Vision Equipment, Emitted and Reflected Radiation |
| Status | ACTIVE |
| Overall Diameter | 0.687 INCHES NOMINAL IN |
| Eccentric Construction | NOT PROVIDED |
| Material Document and Classification | QQ-A-268, T4-CANCELED FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 1.156 INCHES IN |
| Thread Location | EXTERNAL |
| Chamfer Location | THREADED END |
| Thread Direction | RIGHT-HAND |
| Chamfer Size | 0.031 IN. BY 45 DEG IN |
| Thread Size | 11/16-24 |
| Screw Thread Series Designator | UNS |
| Thread Class | 2A A |
| Material | ALUMINUM ALLOY 2024 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 84546 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5855-00-930-2644 is a Cell,optical Element, classified under FSC 5855, Night Vision Equipment, Emitted and Reflected Radiation. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-214-9352, 2530-01-593-7605. Verify interchangeability with system specifications before substitution.
Key specifications for 5855-00-930-2644: Overall Diameter: 0.687 INCHES NOMINAL IN; Eccentric Construction: NOT PROVIDED; Material Document and Classification: QQ-A-268, T4-CANCELED FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 1.281 INCHES NOMINAL IN. 12 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 5855-00-930-2644 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.