The Lamp,metal Halide, cataloged under National Stock Number 6240-01-424-9420, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Morning Star Industries Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6240-01-424-9420 |
| Primary Part Number | M250 |
| Item Name | Lamp,metal Halide |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Morning Star Industries Inc |
| Status | ACTIVE |
| Base Style | MOGUL SCREW |
| Rated Average Life | HOURS |
| Bulb Designator | BT28 |
| Wattage Rating | 250.000 WATTS |
| Emitted Light Characteristic | COLORLESS |
| Light Output Rating | 20500.000 LUMENS NOMINAL SINGLE RATING |
| Bulb Style | BT (BULGED TUBULAR) |
| Average Life Rating in Hours | 30000.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 6240-01-424-9420 is a Lamp,metal Halide, manufactured by Morning Star Industries Inc, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-424-9420 has 2 manufacturer part numbers on file: M250 (Morning Star Industries Inc), MH250 (Morning Star Industries Inc).
2 possible matches (shared part number, not a government interchangeability claim): 7010-01-543-9836, 5340-01-571-2218. Verify interchangeability with system specifications before substitution.
Key specifications for M250: Base Style: MOGUL SCREW; Rated Average Life: HOURS; Bulb Designator: BT28; Wattage Rating: 250.000 WATTS. 8 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.