The Ring,retaining,optical Element, cataloged under National Stock Number 5855-00-433-2377, 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 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5855-00-433-2377 |
| Item Name | Ring,retaining,optical Element |
| FSC / FSG | 5855 / 58 — Night Vision Equipment, Emitted and Reflected Radiation |
| Status | ACTIVE |
| FSC Application Data | NIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION |
| Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 2.500 INCHES NOMINAL IN |
| Material | COPPER ALLOY 268 OR COPPER ALLOY 260 OR COPPER ALLOY 240 OR COPPER ALLOY 230 OR COPPER ALLOY 377 OR COPPER ALLOY 360 OR COPPER ALLOY 342 OR COPPER ALLOY 353 OR COPPER ALLOY 262 OR COPPER ALLOY 270 OR COPPER ALLOY 272 OR COPPER ALLOY 274 OR COPPER ALLOY 280 OR COPPER ALLOY 330 OR COPPER ALLOY 331 OR COPPER ALLOY 332 OR COPPER ALLOY 335 OR COPPER ALLOY 340 OR COPPER ALLOY 344 OR COPPER ALLOY 345 OR COPPER ALLOY 347 OR COPPER ALLOY 348 OR COPPER ALLOY 350 OR COPPER ALLOY 356 OR COPPER ALLOY 370 OR COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 465 OR COPPER ALLOY 466 OR COPPER ALLOY 467 OR COPPER ALLOY 482 OR COPPER ALLOY 485 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 665724-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5855-00-433-2377 is a Ring,retaining,optical Element, classified under FSC 5855, Night Vision Equipment, Emitted and Reflected Radiation. Status: active.
Key specifications for 5855-00-433-2377: FSC Application Data: NIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION; Material Document and Classification: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 1.400 INCHES NOMINAL IN; Outside Diameter: 2.500 INCHES NOMINAL IN. 4 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.
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.