The Lens,light, cataloged under National Stock Number 5850-01-561-4078, is classified within Federal Supply Class 5850 (Visible and Invisible Light Communication Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5850-01-561-4078 |
| Item Name | Lens,light |
| FSC / FSG | 5850 / 58 — Visible and Invisible Light Communication Equipment |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 51200-10W | 5/9 Secondary reference Ametek Inc Panalarm Div |
| 217-5949638ITEM48 | 5/1 Secondary reference Naval Sea Systems Command |
| 217-5949638ITEM44 | 5/1 Secondary reference Naval Sea Systems Command |
| 51200-10W | 5/1 Secondary reference Naval Sea Systems Command |
| 51200-10W | 3/9 Design control — primary reference Arobone and Company Inc |
NSN 5850-01-561-4078 is a Lens,light, classified under FSC 5850, Visible and Invisible Light Communication Equipment. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5850-01-566-0343, 5850-01-566-0345, 5850-01-566-0346. Verify interchangeability with system specifications before substitution.
Key specifications for 5850-01-561-4078: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 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.
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.