Replacement Light Bulb for Grainger 21U521 Aircraft Airfield - 14 Volts 8 Watts BA15S

Replacement for Grainger 21U521 delivers a 14 volt 8 watt G6 bulb with clear finish and 5000 hour rated life. The BA15S single contact bayonet base matches the original equipment requirements for aircraft, airport, and airfield lighting fixtures.

Key Features & Benefits

• Operates at 14 volts and 0.590 amps for consistent electrical performance
• G6 shape and clear bulb finish provide the specified light output characteristics
• 5000 hour life rating supports extended service intervals in demanding environments
• BA15S bayonet base ensures direct compatibility with existing sockets

Product Specifications

• Volts: 14
• Watts: 8
• Base: BA15S SINGLE CONTACT BAYONET 15MM DIAMETER
• Shape: G6
• Life: 5000 hours
• Amps: 0.590

Replacement Compatibility

Direct replacement for Grainger 21U521 in aircraft, airport, and airfield lighting systems requiring a 14V 8W bayonet base bulb.

Discover the Perfect Replacement

Confirm your fixture requires a 14 volt 8 watt G6 bulb with BA15S base and order the correct replacement part to restore proper operation in your aircraft or airfield lighting application.

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.