The Filter,signal Light, cataloged under National Stock Number 5850-00-503-1892, 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 Grimes Aerospace Company. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5850-00-503-1892 |
| Primary Part Number | A2545-3 |
| Item Name | Filter,signal Light |
| FSC / FSG | 5850 / 58 — Visible and Invisible Light Communication Equipment |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Overall Diameter | 4.563 INCHES NOMINAL IN |
| Mounting Method | SNAP-ON |
| Polarization Feature | NOT INCLUDED |
| Top/bottom Gasket | NOT INCLUDED |
| Color | GREEN |
| Special Markings | N/A |
| Material | PLASTIC |
| 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 |
|---|---|
| A2545-3 PRIMARY | Grimes Aerospace Company (USA) |
| Reference | Meaning |
|---|---|
| 311389-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5850-00-503-1892 is a Filter,signal Light, manufactured by Grimes Aerospace Company, classified under FSC 5850, Visible and Invisible Light Communication Equipment. Status: active.
NSN 5850-00-503-1892 has 1 manufacturer part number on file: A2545-3 (Grimes Aerospace Company).
3 possible matches (shared part number, not a government interchangeability claim): 2910-01-004-3152, 5120-01-039-9589, 5999-01-193-2099. Verify interchangeability with system specifications before substitution.
Key specifications for A2545-3: Overall Height: 0.375 INCHES NOMINAL IN; Overall Diameter: 4.563 INCHES NOMINAL IN; Mounting Method: SNAP-ON; Polarization Feature: NOT INCLUDED. 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.
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.