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Bayonet bases or caps are often abbreviated BA, with a number after. The number refers to the diameter of the base e.g., BA15s is a 15 mm diameter bayonet base bulb. The lower-case letter s specifies that the bulb has a single contact on the bottom of the base. The BA15s base has one contact on the bottom and two parallel lugs on opposing sides of the base 180 degrees apart. Other International designations for the Ba15s base is IEC (International Electrotechnical Commission) # 7004-11 A and DIN (German Institute for Standardization) # 49720.
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#1156 Miniature Bulb Ba15S Base #9417866 GM (General Motors) Replacement Bulb
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#1156 Miniature Bulb Ba15S Base, S8 SC BAY 12.8V 2.1A 32CP, 1156, #1156, #1156 BULB, #1156 LAMP, #1156 MINIATURE LAMP, #1156 INDICATOR, EIKO# 40190, UPC#014271022104 #9417866 GM (General Motors) Replacement Bulb,#9417866 automotive bulb,#9417866 indicator,#9417866 miniature bulb,#9417866 lamp,#9417866 bulb
#1156 Miniature Bulb Ba15S Base - 12.8 Volt 2.1 Amp 26.88 Watt S8 SC Bayonet Base, 1200 Hour #9417866 GM (General Motors) Replacement Bulb - 12.8 Volt 2.1 Amp 26.88 Watt S8 SC Bayonet Base, 1200 Hour
#199 Miniature Bulb Ba15S Base #98 Miniature Bulb Ba15S Base
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#199 Miniature Bulb Ba15S Base, S8 SC BAY 12.8V 2.25A 32CP, 199, #199, #199 BULB, #199 MINIATURE, #199 LAMP, #199 NDICATOR, EIKO# 40445 #98 Miniature Bulb Ba15S Base, S8 SC BAY 12.8V 1.04A 15CP ,#6VC62,6VC62,98,#98, #98 Bulb, #98 Lamp, #98 Miniature, #98 Miniature Lamp, #98 Indicator, EIKO# 41048
#199 Miniature Bulb Ba15S Base - 12.8 Volt 2.25 Amp 28.8 Watt S8 SC Bayonet Base,  1200 Hour #98 Miniature Bulb Ba15S Base - 13.0 Volt 0.62 Amp 8.06 Watt G6 Single Contact Base, 800 Hour
#67 Miniature Bulb Ba15S Base #198 Miniature Bulb Bay15d Base
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#67 Miniature Bulb Ba15S Base, 520067 marine bulb, 288763 marine bulb, G6 SC BAY 13.5V .59A 4CP, 6VC48,#6VC48,67, #67, #67 Bulb, #67 Lamp, #67 Miniature, #67 Miniature Lamp, #67 Indicator,#6240-00-155-4717 #198 Miniature Bulb BaY15d Base, S8 DC IND 12V 32/3CP,198, #198, #198 BULB, #198 MINIATURE, #198 LAMP, #198 MINIATURE LAMP, #198 INDICATOR, EIKO# 40443
#67 Miniature Bulb Ba15S Base - 13.5 Volt .59 Amp 7.965 Watt G-6 SC Bayonet Base, 5,000 Hour #198 Miniature Bulb BaY15d Base - 12.8/14.0 Volt 2.25/0.59 Amp 28.8/9.52 Watt S8 Indexed DC Base,  1,200/5,000 Hour
#89 Miniature Bulb Ba15S Base #87 Miniature Bulb Ba15S Base
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#89 Miniature Bulb Ba15S Base, G6 SC BAY 13V .58A 6CP,3BB20,#3BB20, 89, #89, #89 Bulb, #89 Miniature Lamp, #89 Lamp, #89 Indicator, EIKO #40995,#6240-00-143-3159 #87 Miniature Bulb Ba15S Base, S8 SC BAY 6.8V 1.91A 15CP, 6240-00-196-4519,#6240-00-196-4519,87, #87, #87 BULB, #87 MINIATURE LAMP, #87 LAMP, #87 INDICATOR, EIKO #40986
#89 Miniature Bulb Ba15S Base - 13.0 Volt .58 Amp 7.54 Watt G6 Single Contact Base, 750 Hour #87 Miniature Bulb Ba15S Base - 6.8 Volt 1.91 Amp 12.988 Watt S8 Single Contact Base, 300 Hour
#1247 Miniature Bulb Ba15S Base 441067-1 #67 MARINE BULB BA15S BASE
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#1247 Miniature Bulb Ba15S Base,#1247 MINIATURE BULB BA15S BASE, G6 SC BAY 14.0V .43A 3CP, 1247, #1247, #1247 BULB, #1247 LAMP, #1247 MINIATURE, #1247 INDICATOR,UPC#014271029431 441067-1 #67 MARINE BULB BA15S BASE, 520067 marine bulb, 288763 marine bulb, G6 SC BAY 13.5V .59A 4CP, 6VC48,#6VC48,67, #67, #67 BULB, #67 LAMP, #67 MINIATURE, #67 MARINE BULB LAMP
#1247 Miniature Bulb Ba15S Base - 14.0 Volt 0.43 Amp 6.02 Watt G-6 S.C. Bayonet Base, 1,000 Hour 441067-1 #67 MARINE BULB BA15S BASE - 13.5 Volt .59 Amp 7.965 Watt G-6 SC Bayonet Base, 5,000 Hour
#1003 Miniature Bulb Ba15S Base #455490 GM (General Motors) Replacement Bulb
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#1003 Miniature Bulb Ba15S Base, B6 SC BAY 12.8V .94A 15CP, #1003, 1003, #1003 MINIATURE, #1003 MINIATURE LAMP, #1003 BULB, #1003 INDICATOR, EIKO #40155,UPC#014271021886 #455490 GM (General Motors) Replacement Bulb,#455490 Bulb,#455490 Indicator,#455490 Light Bulb,#455490 Lamp,#455490 Replacement Lamp
#1003 Miniature Bulb Ba15S Base - 12.8 Volt 0.94 Amp 12.032 Watt B6 SC Bayonet Base, 200 Hour #455490 GM (General Motors) Replacement Bulb - 12.8 Volt 0.94 Amp 12.032 Watt B6 SC Bayonet Base, 200 Hour
#1073 Miniature Bulb Ba15s Base #81 Miniature Bulb Ba15S Base
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#1073 Miniature Bulb Ba15s Base, S8 SC BAY 12.8V 1.8A 32CP, 1073, #1073, #1073 BULB, #1073 MINIATURE, #1073 LAMP, #1073 INDICATOR, EIKO#40165,UPC#014271021961 #81 Miniature Bulb Ba15S Base, G6 SC BAY 6.5V 1.02A 6CP, 1G828,#1G828,81, #81, #81 Bulb, #81 Miniature, #81 Lamp, #81 Indicator, EIKO #40958,#6240-00-014-2306,6240-00-014-2306
#1073 Miniature Bulb Ba15s Base - 12.8 Volt 1.8 Amp 23.04 Watt S8 Single Contact Bayonet Base, 200 Hour #81 Miniature Bulb Ba15S Base - 6.5 Volt 1.02 Amp 6.63 Watt G-6 SC Bayonet Base, 500 Hour
#631 Miniature Bulb Ba15s Base 441003-1 #1003 MINIATURE BULB BA15S BASE
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#631 Miniature Bulb Ba15s Base,#631 MINIATURE BULB BA15S BASE, G6 SC BAY 14V .63A 6CP, 631, #631, #631 BULB, #631 LAMP, #631 MINIATURE, #631 INDICATOR, EIKO #40832 441003-1 #1003 MINIATURE BULB BA15S BASE, B6 SC BAY 12.8V .94A 15CP, #441003-1,441003-1 MARINE BULB, #441003-1 MARINE LAMP #1003, 1003, #1003 MINIATURE, #1003 MINIATURE LAMP, #1003 BULB, #1003 INDICATOR, EIKO #40155,UPC#014271021886
#631 Miniature Bulb Ba15s Base - 14.0 Volt 0.63 Amp 8.82 Watt G-6 SC Bayonet Base, 1,000 Hour 441003-1 #1003 MINIATURE BULB BA15S BASE - 12.8 Volt 0.94 Amp 12.032 Watt B6 SC Bayonet Base, 200 Hour
44156-1 #1156 MINIATURE BULB BA15S BASE #315 Miniature Bulb Ba15s Base
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44156-1 #1156 MARINE BULB BA15S BASE, S8 SC BAY 12.8V 2.1A 32CP, 44156-1, #44156-1, 44156-1 MARINE BULB 44156-1 MARINE LAMP 1156, #1156, #1156 BULB, #1156 LAMP, #1156 MINIATURE LAMP, #1156 INDICATOR, EIKO# 40190, #315 Miniature Bulb Ba15s Base, S8 SC BAY 28V .9A 32CP, 315, #315, #315 BULB, #315 MINIATURE, #315 MINIATURE LAMP, #315 LAMP, #315 INDICATOR, EIKO#40580
#1156 MARINE BULB BA15S BASE - 12.8 Volt 2.1 Amp 26.88 Watt S8 SC Bayonet Base, 1200 Hour #315 Miniature Bulb Ba15s Base - 28 Volt .9 Amp 25.2 Watt S-8 Single Contact Bayonet Base, 300 Hour
#1129 MiniatureBulb Ba15s Base #303X Miniature Bulb Ba15S Base
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#1129 Miniature Bulb Ba15s Base, S8 SC BAY 6.4V 2.63A 21CP, 1129,#1129 MINIATURE LAMP,#1129 MINIATURE, #1129 LAMP,#1129 BULB, EIKO#40170 #303X Miniature Bulb Ba15S Base,#303X MINIATURE BULB BA15S BASE, G6 SC BAY 28V .3A 6CP, #303X, 303X, #303X BULB, #303X LAMP, #303X MINIATURE, #303X MINiATURE LAMP, #303X INDICATOR
#1129 Miniature Bulb Ba15s Base - 6.4 Volt 2.63 Amp S8 Single Contact Bayonet Base, 200 Hour #303X Miniature Bulb Ba15S Base - 28.0 Volt .3 Amp 8.4 Watt G6 SC Bayonet Base, 500 Hour
#103642 GM (General Motors) Replacement Bulb #105 Miniature Bulb Ba15S Base
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#103642 GM (General Motors) Replacement Bulb,#103642 Replacement Lamp,#103642 Indicator,#103642 Lamp,#103642 Bulb #105 Miniature Bulb Ba15S Base, B6 SC BAY 12.8V 1A 12CP, 105, #105, #105 BULB, #105 LAMP, #105 MINIATURE, #105 INDICATOR, EIKO# 40163
#103642 GM (General Motors) Replacement Bulb - 6.4 Volt 2.63 Amp S8 Single Contact Bayonet Base, 200 Hour #105 Miniature Bulb Ba15S Base - 12.8 Volt 1.0 Amp 12.8 Watt B6 Single Contact Base, 500 Hour
#199-I Miniature Bulb Ba15S Base #9428606 GM (General Motors) Replacement Bulb
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#199-I Miniature Bulb Ba15S Base, S8 12.8V 2.25A 32CP NICKEL BASE, 199-I, #199-I, #199-I BULB, #199-I MINIATURE, #199-I LAMP, #199-I INDICATOR #9428606 GM (General Motors) Replacement Bulb,#9428606,#9428606 automotive bulb,#9428606 indicator,#9428606 lamp
#199-I Miniature Bulb Ba15S Base - 12.8 Volt 2.25 Amp 28.8 Watt S8 SC Bayonet Nickel Base,    1,200 Hour #9428606 GM (General Motors) Replacement Bulb - 12.8 Volt 1.0 Amp 12.8 Watt B6 Single Contact Base, 500 Hour
#97 Miniature Bulb Ba15S Base #1156A Amber Miniature Bulb Ba15s Base
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#97 Miniature Bulb Ba15S Base,G6 SC BAY 13V .58A 6CP,3BB31,#3BB31,#97, 97, #97 Bulb, #97 Miniature, #97 Lamp, #97 Miniature Bulb, #97 Indicator, EIKO #41043 #1156A Amber Miniature Bulb Ba15s Base, #1156A, 1156A, #1156A BULB, #1156A MINIATURE, #1156A LAMP, #1156A MINIATURE LAMP, EIKO# 44030
#97 Miniature Bulb Ba15S Base - 13.5 Volt .69 Amp 9.32 Watt G6 Single Contact Base, 5,000 Hour #1156A Amber Miniature Bulb Ba15s Base - 12.8 Volt 2.1 Amp 26.88 Watt Painted Amber S8 SC Bayonet  Base, 1200 Hour
#9421777 GM (General Motors) Replacement Bulb #1156LL Long Life Miniature Bulb Ba15S Base
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#9421777 GM (General Motors) Replacement Bulb,#9421777 bulb,#9421777 indicator,#9421777 automotive bulb #1156LL Long Life Miniature Bulb Ba15S Base, S8 SC BAY 12.8V 2.1A 32CP LONG LIFE, #1156LL, 1156LL, #1156LL BULB, #1156LL LAMP, #1156LL MINIATURE LAMP, EIKO# 42516
#9421777 GM (General Motors) Replacement Bulb - 13.5 Volt .69 Amp 9.32 Watt G6 Single Contact Base, 5,000 Hour #1156LL Long Life Miniature Bulb Ba15S Base - 12.8 Volt 2.1 Amp 26.88 Watt S8 SC Bayonet Base, 2400 Hour
#1141A Amber Miniature Bulb Ba15S Base #209 Miniature Bulb Ba15S Base
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#1141A Amber Miniature Bulb Ba15S Base,#1141A AMBER MINIATURE BULB BA15S BASE, S8 SC BAY 12.8V 1.44A AMBER, 1141A, #1141A, #1141A MINIATURE, #1141A BULB, #1141A LAMP,BIRNE,BULBO,BOMBILLA,AMPOULE #209 Miniature Bulb Ba15S Base, B6 SC BAY 6.5V 1.78A 15CP, #209, 209, #209 MINIATURE, #209 MINIATURE LAMP, #209 BULB, #209 INDICATOR
#1141A Amber Miniature Bulb Ba15S Base - 12.8 Volt 1.44 Amp 18.432 Watt Painted Amber S8 SC Bayonet Base, 1,000 Hour #209 Miniature Bulb Ba15S Base - 6.5 Volt 1.78 Amp 11.57 Watt B6 SC Bayonet Base, 100 Hour
   
 
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Bayonet bases or caps are often abbreviated BA, with a number after. The number refers to the diameter of the base e.g., BA15s is a 15 mm diameter bayonet base bulb. The lower-case letter s specifies that the bulb has a single contact on the bottom of the base. The BA15s base has one contact on the bottom and two parallel lugs on opposing sides of the base 180 degrees apart. Other International designations for the Ba15s base is IEC (International Electrotechnical Commission) # 7004-11 A and DIN (German Institute for Standardization) # 49720.