The Lamp,metal Halide, cataloged under National Stock Number 6240-01-344-6991, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Gte Products Corp Sylvania Miniature Lighting Div. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6240-01-344-6991 |
| Primary Part Number | MS400/BD-ONLY |
| Item Name | Lamp,metal Halide |
| FSC / FSG | 6240 / 62 — No Item Name Available |
| Manufacturer | Gte Products Corp Sylvania Miniature Lighting Div |
| Status | CANCELLED |
| Rated Average Life | HOURS |
| Light Center Length | 7.000 INCHES NOMINAL IN |
| Wattage Rating | 400.000 WATTS |
| Criticality Code Justification | FEAT |
| Light Output Rating | 31000.000 LUMENS NOMINAL SINGLE RATING |
| Bulb Light Transmission Characteristic | TRANSLUCENT |
| Base Style | MOGUL SCREW |
| Average Life Rating in Hours | 20000.0 |
| Bulb Style | BT (BULGED TUBULAR) |
| Bulb Designator | BT-37 |
| Emitted Light Characteristic | WHITE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS400/BD-ONLY PRIMARY | Gte Products Corp Sylvania Miniature Lighting Div (USA) |
| MS400/C/BD-ONLY PRIMARY | Gte Products Corp Sylvania Miniature Lighting Div (USA) |
| 64451 | Gte Products Corp Sylvania Miniature Lighting Div (USA) |
| 64453 | Gte Products Corp Sylvania Miniature Lighting Div (USA) |
NSN 6240-01-344-6991 is a Lamp,metal Halide, manufactured by Gte Products Corp Sylvania Miniature Lighting Div, classified under FSC 6240 (No Item Name Available). Status: cancelled.
NSN 6240-01-344-6991 has 4 cross-referenced part numbers: MS400/BD-ONLY (Gte Products Corp Sylvania Miniature Lighting Div), MS400/C/BD-ONLY (Gte Products Corp Sylvania Miniature Lighting Div), 64451 (Gte Products Corp Sylvania Miniature Lighting Div), 64453 (Gte Products Corp Sylvania Miniature Lighting Div).
There are 2 known substitutes for 6240-01-344-6991: 4720-00-083-5412, 2910-01-319-7520. Verify interchangeability with system specifications before substitution.
Key specifications for MS400/BD-ONLY: Overall Length: 11.500 INCHES NOMINAL11.500 INCHES NOMINAL IN; Rated Average Life: HOURS; Light Center Length: 7.000 INCHES NOMINAL IN; Wattage Rating: 400.000 WATTS. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 6240-01-344-6991 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.