The Filter,signal Light, cataloged under National Stock Number 5850-00-503-1893, 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 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5850-00-503-1893 |
| Item Name | Filter,signal Light |
| FSC / FSG | 5850 / 58 — Visible and Invisible Light Communication Equipment |
| Status | ACTIVE |
| Overall Diameter | 4.000 INCHES NOMINAL IN |
| Mounting Method | SNAP-ON |
| Polarization Feature | NOT INCLUDED |
| Overall Thickness | 0.090 INCHES NOMINAL IN |
| Top/bottom Gasket | NOT INCLUDED |
| Color | RED |
| Material | PLASTIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 501N3 | 5/9 Secondary reference General Utility Lamp |
| 618193-7 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5850-00-503-1893 is a Filter,signal Light, classified under FSC 5850, Visible and Invisible Light Communication Equipment. Status: active.
Key specifications for 5850-00-503-1893: Overall Diameter: 4.000 INCHES NOMINAL IN; Mounting Method: SNAP-ON; Polarization Feature: NOT INCLUDED; Overall Thickness: 0.090 INCHES NOMINAL IN. 7 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 5850-00-503-1893 has DEMIL Code B. 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.