The Filter,signal Light, cataloged under National Stock Number 5850-00-642-8045, 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 Kft Fire Trainer Llc. Government technical data includes 6 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5850-00-642-8045 |
| Primary Part Number | 1937-2B121P1REV3 |
| Item Name | Filter,signal Light |
| FSC / FSG | 5850 / 58 — Visible and Invisible Light Communication Equipment |
| Manufacturer | Kft Fire Trainer Llc |
| Status | ACTIVE |
| Overall Diameter | 7.000 INCHES NOMINAL IN |
| Polarization Feature | NOT INCLUDED |
| Overall Thickness | 0.125 INCHES NOMINAL IN |
| Top/bottom Gasket | NOT INCLUDED |
| Color | RED |
| 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 |
|---|---|
| 1937-2B121P1REV3 PRIMARY | Kft Fire Trainer Llc (USA) |
| 1937-2B121REV2PT1 PRIMARY | Kft Fire Trainer Llc (USA) |
NSN 5850-00-642-8045 is a Filter,signal Light, manufactured by Kft Fire Trainer Llc, classified under FSC 5850, Visible and Invisible Light Communication Equipment. Status: active.
NSN 5850-00-642-8045 has 2 manufacturer part numbers on file: 1937-2B121P1REV3 (Kft Fire Trainer Llc), 1937-2B121REV2PT1 (Kft Fire Trainer Llc).
Key specifications for 1937-2B121P1REV3: Overall Diameter: 7.000 INCHES NOMINAL IN; Polarization Feature: NOT INCLUDED; Overall Thickness: 0.125 INCHES NOMINAL IN; Top/bottom Gasket: NOT INCLUDED. 6 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.