The Lens,light, cataloged under National Stock Number 5850-01-557-4436, 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 Electro-Mech Components, Inc. Dba Electro-Mech Components Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5850-01-557-4436 |
| Primary Part Number | SW43931-027 |
| Item Name | Lens,light |
| FSC / FSG | 5850 / 58 — Visible and Invisible Light Communication Equipment |
| Manufacturer | Electro-Mech Components, Inc. Dba Electro-Mech Components Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SW43931-027 PRIMARY | Electro-Mech Components, Inc. Dba Electro-Mech Components Inc (USA) |
| Reference | Meaning |
|---|---|
| 12911220 | D/9 Drawing number reference only Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| 12911220-2 | 7/2 Vendor item drawing reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 5850-01-557-4436 is a Lens,light, manufactured by Electro-Mech Components, Inc. Dba Electro-Mech Components Inc, classified under FSC 5850, Visible and Invisible Light Communication Equipment. Status: active.
NSN 5850-01-557-4436 has 1 manufacturer part number on file: SW43931-027 (Electro-Mech Components, Inc. Dba Electro-Mech Components Inc).
Key specifications for SW43931-027: Special Features: LENS COLOR:RED; Part Name Assigned by Controlling Agency: LENS,SWITCH ACTUATING; End Item Identification: M1 TANK. 0 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 5850-01-557-4436 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.