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  • Airport Lighting
  • Aviation Obstruction Lighting
  • H&P Hughey Phillips Obstruction Lighting
  • Emergency Vehicle Warning Lights, Lamps & Bulbs
  • Fluorescent Light Bulbs
  • Halogen Light Bulbs
  • Heliport Lighting
  • Incandescent Light Bulbs
  • LED Replacement Light Bulbs
  • Photography Lighting
  • HID (High Intensity Discharge) Light Bulbs
  • Specialty Lighting & Light Bulbs
  • UV Ultra Violet, UV-C Germicidal Lamps
  • Industrial Flashlamps
  • Clearance and Closeouts - Full Lots of Bulbs
  • Westinghouse Light Bulbs

    • Shop by Brand

  • EiKO
  • USHIO AMERICA
  • SYLVANIA LEDVANCE
  • Westinghouse Lighting
  • HUGHEY & PHILLIPS
  • GENESIS LAMP
  • TWR
  • WHELEN
  • SANYO
  • ECCO
  • View all Brands

    • A21 Incandescent Airport Runway Light Bulbs

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    A21 Incandescent Airport Runway Light Bulbs - Description: These bulbs are incandescent type, they come in shapes from A19, A21, PS, T, and wattages range from 30, 45, 200, 204, 210 at 6.6 Ampere current. They are used in airfield fixtures for runway edge, taxiway edge, runway end identifier, runway touchdown zone, and runway signs and distance markers. They meet the requirments of FAA L-861, L-862, and L-858.