The Lamp,incandescent, cataloged under National Stock Number 6240-01-421-3990, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Wes-Garde Components Group Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-421-3990 |
| Primary Part Number | IFL-LX1895R |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Wes-Garde Components Group Inc |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSLUCENT |
| Base Style | MINIATURE BAYONET |
| Rated Average Life | HOURS |
| Bulb Designator | G-4 1/2 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Wattage Rating | 3.780 WATTS |
| Emitted Light Characteristic | RED |
| Bulb Style | S (STRAIGHT SIDE) |
| Current Rating for Which Designed | 0.270 AMPERES NOMINAL |
| Voltage Rating | 14.000 VOLTS NOMINAL |
| 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 |
|---|---|
| IFL-LX1895R PRIMARY | Wes-Garde Components Group Inc (USA) |
| Reference | Meaning |
|---|---|
| 405081 | 7/2 Vendor item drawing reference Renk America Llc Div Renk America |
NSN 6240-01-421-3990 is a Lamp,incandescent, manufactured by Wes-Garde Components Group Inc, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-421-3990 has 1 manufacturer part number on file: IFL-LX1895R (Wes-Garde Components Group Inc).
1 possible match (shared part number, not a government interchangeability claim): 6020-01-689-8637. Verify interchangeability with system specifications before substitution.
Key specifications for IFL-LX1895R: Bulb Light Transmission Characteristic: TRANSLUCENT; Base Style: MINIATURE BAYONET; Rated Average Life: HOURS; Bulb Designator: G-4 1/2. 10 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.