The Light,warning, cataloged under National Stock Number 6220-01-666-3391, is classified within Federal Supply Class 6220 (Electric Vehicular Lights and Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is Whelen Engineering Company, Inc. Dba Whelen Engineering Co Inc Div Whelen Engineering Company. Government technical data includes 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6220-01-666-3391 |
| Primary Part Number | L31HBF |
| Item Name | Light,warning |
| FSC / FSG | 6220 / 62 — Electric Vehicular Lights and Fixtures |
| Manufacturer | Whelen Engineering Company, Inc. Dba Whelen Engineering Co Inc Div Whelen Engineering Company |
| Status | ACTIVE |
| Lens Color | BLUEBLUE |
| Mounting Method | BASEBASE |
| Light Beam Motion | FLASHINGFLASHING |
| Lamp Type Accommodated and Quantity | 1 LIGHT EMITTING DIODE1 LIGHT EMITTING DIODE |
| Material | ALUMINUM BASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| L31HBF PRIMARY | Whelen Engineering Company, Inc. Dba Whelen Engineering Co Inc Div Whelen Engineering Company (USA) |
NSN 6220-01-666-3391 is a Light,warning, manufactured by Whelen Engineering Company, Inc. Dba Whelen Engineering Co Inc Div Whelen Engineering Company, classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
NSN 6220-01-666-3391 has 1 manufacturer part number on file: L31HBF (Whelen Engineering Company, Inc. Dba Whelen Engineering Co Inc Div Whelen Engineering Company).
Key specifications for L31HBF: Lens Color: BLUEBLUE; Mounting Method: BASEBASE; Light Beam Motion: FLASHINGFLASHING; Special Features: UV COATED DOME; BLUE BEACON STROBELIGHT; SOLID STATE; CONFORMAL COATED ELECTRONICS; FULL REVERSE POLARITY PROTECTIONUV COATED DOME; BLUE BEACON STROBELIGHT; SOLID STATE; CONFORMAL COATED ELECTRONICS; FULL REVERSE POLARITY PROTECTION. 5 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.