The Lens,light, cataloged under National Stock Number 5850-01-481-7891, is classified within Federal Supply Class 5850 (Visible and Invisible Light Communication Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Applied Avionics, Llc Dba Applied Avionics, Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5850-01-481-7891 |
| Primary Part Number | LED-XX-28-B3-75345 |
| Item Name | Lens,light |
| FSC / FSG | 5850 / 58 — Visible and Invisible Light Communication Equipment |
| Manufacturer | Applied Avionics, Llc Dba Applied Avionics, Inc |
| Status | ACTIVE |
| Style Designator | FLAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1900457-2 | Northrop Grumman Systems Corporation (USA) |
| LED-XX-28-B3-75345 PRIMARY | Applied Avionics, Llc Dba Applied Avionics, Inc (USA) |
| Reference | Meaning |
|---|---|
| 1900457 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 5850-01-481-7891 is a Lens,light, manufactured by Applied Avionics, Llc Dba Applied Avionics, Inc, classified under FSC 5850, Visible and Invisible Light Communication Equipment. Status: active.
NSN 5850-01-481-7891 has 2 manufacturer part numbers on file: 1900457-2 (Northrop Grumman Systems Corporation), LED-XX-28-B3-75345 (Applied Avionics, Llc Dba Applied Avionics, Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5850-01-481-7894, 5850-01-481-7896. Verify interchangeability with system specifications before substitution.
Key specifications for LED-XX-28-B3-75345: Style Designator: FLAT; Overall Length: 0.960 INCHES NOMINAL IN; Special Features: LED VOLTS VDC 5, CONNECTION HORIZONTAL PROCESS, FAIL THERMAL FAIL, NEXT ASSY 1961358, USED ON 1805611; End Item Identification: CONTROL DISPL, NAVIGATIONAL SYSTEMS. 1 specification is 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.