The MS35478-307 is a miniature incandescent aircraft lamp manufactured to the MS35478 Military Standard specification. Designed for dependable operation in aerospace electrical systems, this lamp is commonly used for cockpit instrument illumination, annunciator panels, control panels, and other low-intensity lighting applications where consistent light output and long service life are essential.

Rated for 28-volt operation, the MS35478-307 provides reliable illumination while meeting the performance requirements of military and civil aviation electrical systems. Its precision construction ensures stable electrical contact and dependable operation in environments subject to vibration, temperature fluctuations, and continuous aircraft operation. :contentReference[oaicite:0]{index=0}

The lamp is manufactured with a standardized miniature base for compatibility with approved aircraft lighting fixtures and instrument assemblies. During scheduled maintenance, it should be inspected for reduced light output, filament failure, or physical damage and replaced with the correct approved part to maintain proper cockpit visibility and instrument readability.

Widely used in commercial, military, and general aviation aircraft, the MS35478-307 provides OEM-quality performance for critical aircraft lighting applications requiring dependable illumination and compliance with aerospace standards.

Key Features

- Part Number: MS35478-307
- Manufacturer: Military Standard (MS)
- Component: Miniature Incandescent Aircraft Lamp
- Operating Voltage: 28 V
- Lamp Type: Incandescent
- Specification: MS35478 Military Standard
- Application: Aircraft instrument, cockpit, annunciator, and panel lighting
- Construction: Rugged design for vibration resistance and dependable electrical performance
- Maintenance: Direct replacement for approved aircraft lighting assemblies