The Lamp,glow, cataloged under National Stock Number 6240-01-499-1748, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Safran Electronics & Defense, Avionics Usa, Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-499-1748 |
| Primary Part Number | MSC115-9 |
| Item Name | Lamp,glow |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Safran Electronics & Defense, Avionics Usa, Llc |
| Status | ACTIVE |
| Filling Gas Type | NEON |
| Base Style | MIDGET FLANGED |
| Rated Average Life | HOURS |
| Bulb Diameter | 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Light Intensity Level | NOT RATED |
| Bulb Designator | SPECIAL |
| Circuit Voltage Rating in Volts | 115.000 NOMINAL |
| Gas Striking Voltage Rating in Volts and Current Type | 125.0 AC NOMINAL FIRST VOLTAGE |
| Gas Striking Voltage Rating in Volts and Current Type | 150.0 DC NOMINAL SECOND VOLTAGE |
| Emitted Light Characteristic | GREEN |
| Bulb Style | T (TUBULAR) |
| Resistor Rating and Location | 30.000 KILOHMS INTERNAL |
| Average Life Rating in Hours | 10000.0 AND 6000.0 |
| 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 |
|---|---|
| 924-91842-009 | Safran Electronics & Defense, Avionics Usa, Llc (USA) |
| MSC115-9 PRIMARY | Safran Electronics & Defense, Avionics Usa, Llc (USA) |
| Reference | Meaning |
|---|---|
| MSC115-9 | 3/9 Design control — primary reference U.S. Government activity |
| 924-91842-009 | 5/9 Secondary reference U.S. Government activity |
NSN 6240-01-499-1748 is a Lamp,glow, manufactured by Safran Electronics & Defense, Avionics Usa, Llc, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-499-1748 has 2 manufacturer part numbers on file: 924-91842-009 (Safran Electronics & Defense, Avionics Usa, Llc), MSC115-9 (Safran Electronics & Defense, Avionics Usa, Llc).
Key specifications for MSC115-9: Filling Gas Type: NEON; Base Style: MIDGET FLANGED; Rated Average Life: HOURS; Bulb Diameter: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN. 13 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.