The Lens,optical Instrument, cataloged under National Stock Number 5855-01-375-2152, 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 Mirion Technologies (canberra), Inc.. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5855-01-375-2152 |
| Primary Part Number | 3190450-05 |
| Item Name | Lens,optical Instrument |
| FSC / FSG | 5855 / 58 — Night Vision Equipment, Emitted and Reflected Radiation |
| Manufacturer | Mirion Technologies (canberra), Inc. |
| Status | ACTIVE |
| Diameter | 5.470 INCHES NOMINAL IN |
| Width | 0.630 INCHES NOMINAL IN |
| Material | ALUMINUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3190450-05 PRIMARY | Mirion Technologies (canberra), Inc. (USA) |
| Reference | Meaning |
|---|---|
| A3190469 | 5/9 Secondary reference Canberra Industries Inc Dba Canberra Dover |
| A3190469 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5855-01-375-2152 is a Lens,optical Instrument, manufactured by Mirion Technologies (canberra), Inc., classified under FSC 5855, Night Vision Equipment, Emitted and Reflected Radiation. Status: active.
NSN 5855-01-375-2152 has 1 manufacturer part number on file: 3190450-05 (Mirion Technologies (canberra), Inc.).
Key specifications for 3190450-05: Diameter: 5.470 INCHES NOMINAL IN; Special Features: MATERIAL = SODIUM IODINE CRYSTAL .25THK ENCASED IN ALUMINUM AND GLASS HOUSING; Width: 0.630 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: CRYSTAL. 3 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 5855-01-375-2152 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.