Incandescent Lamps (A19, A21, PS40)

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Incandescent Lamp LA-10047-612

Part Number Description Application Substitution Brand MOL Watt Lamp Life (hrs) Case
LA-10047-612 40W, 120V, Crouse-Hinds Lamp, Screw Base GE Lighting 2.3″ (S11) 40 500

Incandescent Lamp LA-10308ATR

Part Number Description Application Substitution Brand MOL Watt Lamp Life (hrs) Case
LA-10308ATR 100W, 120V, 100G161/2/29DC, BA15D Base, G16.5, Double Contact Lamp 3″ (G16.5) 100 120

Incandescent Lamp LA-116W_230V

Part Number Description Application Substitution Brand MOL Watt Lamp Life (hrs) Case
LA-116W/230V 116W, 230V, A21, Screw Base, [discontinued, limited to stock on hand] Obstruction light (A21) 116 8,000

Incandescent Lamp LA-12496-1

Part Number Description Application Substitution Brand MOL Watt Lamp Life (hrs) Case
LA-12496-1 69W, 120V, 69A21/TS, Screw Base GE: 17323 Sylvania 4.37″ (A21) 69 8,000

Incandescent Lamp LA-16385

Part Number Description Application Substitution Brand MOL Watt Lamp Life (hrs) Case
LA-16385 50W, 30V, 50A21, Screw Base Sign 4-3/8″ (A21) 50 1,000 120

Incandescent Lamp LA-21950

Part Number Description Application Substitution Brand MOL Watt Lamp Life (hrs) Case
LA-21950 620W, 120V, 620PS40P, PS40P L864 beacon ADB: 48A0180, HA-LH620120GE; NSN: 6240-00-295-0901 GE Lighting 10-7/16″ (PS40) 620 3,000 24

Incandescent Lamp LA-22483-2

Part Number Description Application Substitution Brand MOL Watt Lamp Life (hrs) Case
LA-22483-2 116W, 120V, A21/TS, Screw Base Obstruction light LH116120GE 4.44″ (A21) 116 8,000

Incandescent Lamp LA-39321

Part Number Description Application Substitution Brand MOL Watt Lamp Life (hrs) Case
LA-39321 100W, 120V, A19, Clear, Medium Screw Base GE Lighting 4.44″ (A19) 100 750

Incandescent Lamp LA-40A19CL130V

Part Number Description Application Substitution Brand MOL Watt Lamp Life (hrs) Case
LA-40A19/CL/130V 40W, 130V, A19, Screw Base ZA202 120V, Traffic Signal Lamp 4.25″ (A19) 40 2,000

Incandescent Lamp LA-700120

Part Number Description Application Substitution Brand MOL Watt Lamp Life (hrs) Case
LA-700120 700W, 120V, 700PS40P Beacon light 10-7/16″ (PS40) 700 8,000

Incandescent Lamp LA-700230

Part Number Description Application Substitution Brand MOL Watt Lamp Life (hrs) Case
LA-700230 700W, 230V, 700PS40P 10-7/16″ (PS40) 700 8,000

Incandescent Lamp LA-97470

Part Number Description Application Substitution Brand MOL Watt Lamp Life (hrs) Case
LA-97470 40W, 120V, 40A/CL, A19, E26, Screw Base ATR: 13863, GE: 12311 4-7/16″ (D=2.375″) (A19) 40 1,500 120

T=Tube. Multiply T# by 1/8″ to get diameter.


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Flight Light stocks lamps for all airport lighting applications: runway, taxiway, approach, helipad, obstruction. We sell only first quality name-brand lamps, including GE, Osram/Sylvania, Philips (DBA Narva) and Amglo.

Lamp Life

Lamp life rating is the point in time when 50% of the tested samples have burned out and 50% still shine.

Lumens, Candlepower, Footcandles

In lighting, the basic unit for the amount of light produced by a light source is called a lumen. As with any unit of measure, the lumen must be related to some physical standard. A candle of specific composition and size serves this purpose and is said to emit one candlepower. If this candle were placed at the center of a sphere having a radius of one foot, one lumen, by definition, would fall on each square foot of the sphere’s surface. Since, from geometry, the total surface area of a one-foot radius sphere is 12.57 square feet, there are 12.57 lumens given off by the standard candle. One lumen falling on 1 square foot of a surface produces illumination of one footcandle.

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