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incandescent - miniature lamp light bulb
T4W-4W-6V-BA9S DONSBULBS
donsbulbs part:
4T2.75MBCL6V-23MMMOL DONSBULBS
I/6V/4W/BA9S/T2.75/CL/23MMMOL
approximately 100 bulbs in stock
enter quantity:   
quantity discount:
bulb quantity:  1+    10+    20+  
price per bulb:  $8    $7.60    $7.22  

4T2.75MBCL6V-23MMMOL DONSBULBS
I/6V/4W/BA9S/T2.75/CL/23MMMOL

bulb specifications:
  
category: Incandescent - miniature lamp
volt: 6
amp: 0.667
watt: 4
base: BA9s - Miniature Bayonet
glass: T2-3/4
filament: C2R
fil.res.: 9 ohm
m.o.l.: 0.906 inch (23MM)
l.c.l.: 0.346 inch (8.8MM)
burn pos: burn lamp in ANY position
i.lumens: 2.8
cp: 0.22
cri: 99
d.hours: 2000
notes: possible substitution: 316 USA
clear glass
interior lamp
parking light lamp
side light lamp
style:T4W
tail lamp
 
uses sockets:DB-17-20
DB-BA9S1
DB-BA9S2


typical photo of 4T2.75MBCL6V-23MMMOL DONSBULBS
I/6V/4W/BA9S/T2.75/CL/23MMMOL bulb type
(your bulb may look slightly different)


typical shape of T2-3/4 glass envelopes
(not to scale)


typical shape of C2R filament
(not to scale)


industry standards for base:
BA9s - Miniature Bayonet
(not to scale)
click for base BA9s detail sheet


Don's grand wisdom: When multiple bulbs are in a circuit; if one bulb burns out, you really should replace all bulbs at same time. This way all bulbs will look the same. Otherwise, mixing "used" bulbs with "new" bulbs (or mixing brands) will each look different (some will be dimmer, some a different shade of color.) For example, automobile headlights and tail-lights must always be replaced in pairs or they will look odd. And, when one bulb is at it's end of life, the other will be near it's end of life too. Keep good working "used" bulbs as emergency spares.

Although few specialty light bulbs and sockets are manufactured anymore, I have decent inventories of most types in stock, plus additional sources for nearly everything. All are guaranteed brand new, most being NOS (new old stock). Shelf life is forever.

Prices usually rise as inventory is sold off. Website updated daily to reflect current stock and prices. Click add to cart button above, and order at today's prices.

I don't guarantee brand (or country) of manufacture, but you are welcome to suggest a preference. If you do require a certain brand or specific country of manufacture; read my general information.

I need your help! I'm doing everything possible to provide free accurate bulb data and cross-referencing. If you have additional information or found errors, click here.

Thanks to you;  donsbulbs is the world's largest resource of bulb data and cross-referencing.

Thank you, Don Schnapp


bitcoin

Definition of light bulb refers to lamp.
Definition of socket refers to lampholder (lamp holder).


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some related bulb searches:

I / 6V / 4W / BA9S / G4.75 / CL 4G4.75MBCL6V DONSBULBS
I / 6V / 4W / BA9S / T2.5 / CL / 31MMMOL / 50H 4T2.5MBCLHO6V-31MMMOL DONSBULBS
I / 6V / 4W / BA9S / T2.75 / CL / 23MMMOL 4T2.75MBCL6V-23MMMOL DONSBULBS (this bulb)
I / 6V / 4W / BA9S / T3.25 / CL / 31MMMOL 4T3.25MBCL6V-31MMMOL DONSBULBS

4T2.75MBCL6V-23MMMOL DONSBULBS
I/6V/4W/BA9S/T2.75/CL/23MMMOL

also known as
Cross-Reference:


1-987-302-603-T4W-6-V-4-W-BA9S-4-3-165141-239317 BOSCH
1-987-302-603-T4W-6V-4W-BA9S-4-3-165141-239317 BOSCH
1-987-302-603 BOSCH
3-165141-239317-EAN BOSCH
4T2.75MBCL6V-23MMMOL DONSBULBS
4T2.75MBCL6V DONSBULBS
6V-0.666A-4W-BA9S-T3-C-2R-CLEAR-9X23MM-2000H
6V/0.666A/4W/BA9S/T3/C-2R/CLEAR/9X23MM/2000H
6V/4W/BA9S
47-900-46/6V/0.67A/BA9S ORBITEC
47-900-46/6V/0.67A ORBITEC
47-900-46 ORBITEC
47-900-46 SSTL
65
293 ELTA
293 GUARDIAN
312/6V/4W/BA9S/T9.2MM/C6 SUNG-WHEE
312/6V/4W/BA9S/T9.2MM SUNG-WHEE
312 SUNG-WHEE
411/6V/4W/BA9S/T10MM/C2 SUNG-WHEE
411/6V/4W/BA9S/T10MM SUNG-WHEE
411 SUNG-WHEE
0712 AMERICAN-OPTICAL
714/6V/4W/T9.2MM/BA9S NAM-YUNG
714 NAM-YUNG
716 ACELITE
914/6V/4W/T10MM/BA9S NAM-YUNG
914 NAM-YUNG
1231 ALTAN
1364 STANLEY
1526 NORMA
2659/6V/0.667A USA
2659/T4W/4W/6V/4W/BA9S GENERAL-ELECTRIC
2659 GENERAL-ELECTRIC
2659 TUNGSRAM
2659 USA
2659S/T4W/6V/BA9S GENERAL-ELECTRIC
3892/T4W/6V/4W/BA9S OSRAM
3892T4W6V34W/BA9S OSRAM
4089-6V-4W-BA9S-T4W FLOSSER
4089-T4W-6V-4W-BA9S FLOSSER
4089-T4W FLOSSER
4089 FLOSSER
4089 USA
17121-CP NARVA
17121/6V/4W CANDLEPOWER-INCORPORATED
17121/6V/4W NARVA
17121 CANDLEPOWER-INCORPORATED
17121 NARVA
27440 GENERAL-ELECTRIC
116801-B2337-BA9S-8.5X23-6V-670MA ORBITEC
116801/6V/0.67A/BA9S ORBITEC
116801/6V/0.67A ORBITEC
116801/B2337/BA9S-8.5X23-6V-670MA ORBITEC
116801 ORBITEC
518216 GENERAL-ELECTRIC
847825 OSRAM
4790046 SSTL
1987302603-T4W-6-V-4-W-BA9S-4-3165141239317 BOSCH
1987302603-T4W-6V-4W-BA9S-4-3165141239317 BOSCH
1987302603 BOSCH
3165141239317-EAN BOSCH
4050300847825 OSRAM
A809 FOCUS
A1364J STANLEY
A1392E EUROPEAN
A1392E STANLEY
AM-1504
AM-1702
AO-0712 AIDLITE
AO-0712 AMERICAN-OPTICAL
B-2337-BA9S-8.5X23-6V-670MA ORBITEC
B-2337/BA9S-8.5X23-6V-670MA ORBITEC
B-2337 ORBITEC
B23.006.666 BAILEY
B2337-BA9S-8.5X23-6V-670MA ORBITEC
B2337/6V/0.67A/BA9S ORBITEC
B2337/6V/0.67A ORBITEC
B2337/BA9S-8.5X23-6V-670MA ORBITEC
B2337 ORBITEC
B23006666-6V-0.666A-4W-BA9S-T3-C-2R-CLEAR-9X23MM-2000H BAILEY
B23006666/6V/0.666A/4W/BA9S/T3/C-2R/CLEAR/9X23MM/2000H BAILEY
B23006666/6V/0.666A/4W/BA9S/T3/C2R/CLEAR/9X23MM/2000H BAILEY
B23006666 BAILEY
B230066666V0666A4WBA9ST3C2RCLEAR9X23MM2000H BAILEY
Know a cross-reference for this bulb
to add to this list?


Please enter:
bulb number
brand of bulb
BA9S-8.5X23-6V-670MA/B2337/116801 ORBITEC
BA9S-8.5X23-6V-670MA ORBITEC
BA9S-8.5X23MM-6V-670MA/B2337/116801 ORBITEC
BLB-293 BOSCH
BLB293 BOSCH
FLO4089-T4W VERMEER-AUTO-PARTS
FLO4089 VERMEER-AUTO-PARTS
HB-293 HELLA-MARINE
HB293 HELLA-MARINE
I/6V/0.666A/BA9S/T2.75/23MM
I/6V/0.666A/BA9S/T3/CL/23MMMOL/2000H
I/6V/0.666A/BA9S/T3/CL/23MMMOL/2000H/B23006666 BAILEY
I/6V/0.667A/BA9S/T2.5/CL/50H
I/6V/0.667A/BA9S/T2.75
I/6V/0.667A/BA9S/T2.75/CL
I/6V/0.667A/BA9S/T2.75/CL/200H
I/6V/0.667A/BA9S/T2.75/CL/200H/T4W-4W-6V-BA9S ECE
I/6V/0.667A/BA9S/T3/CL
I/6V/0.67A/BA9S/T2.5/CL/50H
I/6V/0.67A/BA9S/T2.75/C2R/23MMMOL/500H
I/6V/0.67A/BA9S/T2.75/C2R/500H
I/6V/0.67A/BA9S/T2.75/CL
I/6V/0.67A/BA9S/T2.75/CL/200H
I/6V/0.67A/BA9S/T2.75/CL/200H/T4W-4W-6V-BA9S ECE
I/6V/0.67A/BA9S/T3/CL
I/6V/0.67A/BA9S/TUBE/500H
I/6V/0.7A/BA9S/T2.75/CL
I/6V/1.333A/BA9S/T2.75/CL
I/6V/1.33A/BA9S/T2.75/CL
I/6V/4W/BA9S
I/6V/4W/BA9S/T2.5/50H
I/6V/4W/BA9S/T2.5/CL/50H
I/6V/4W/BA9S/T2.75
I/6V/4W/BA9S/T2.75/23MM
I/6V/4W/BA9S/T2.75/23MMMOL
I/6V/4W/BA9S/T2.75/200H
I/6V/4W/BA9S/T2.75/200H/2659 USA
I/6V/4W/BA9S/T2.75/200H/T4W-6V DONSBULBS
I/6V/4W/BA9S/T2.75/200H/T4W ECE
I/6V/4W/BA9S/T2.75/500H
I/6V/4W/BA9S/T2.75/500H/B2337 ORBITEC
I/6V/4W/BA9S/T2.75/914 NAM-YUNG
I/6V/4W/BA9S/T2.75/CL
I/6V/4W/BA9S/T2.75/CL/4T2.75MBCL6V DONSBULBS
I/6V/4W/BA9S/T2.75/CL/23MMMOL/4T2.75MBCL6V-23MMMOL DONSBULBS
I/6V/4W/BA9S/T2.75/CL/23MMMOL/2000H/4T2.75MBCL6V DONSBULBS
I/6V/4W/BA9S/T2.75/CL/23MMMOL/2000H/914 NAM-YUNG
I/6V/4W/BA9S/T2.75/CL/23MMMOL/2000H/T4W-4W-6V-BA9S DONSBULBS
I/6V/4W/BA9S/T2.75/CL/23MMMOL 4T2.75MBCL6V-23MMMOL DONSBULBS
I/6V/4W/BA9S/T2.75/CL/312 SUNG-WHEE
I/6V/4W/BA9S/T2.75/CL/2000H
I/6V/4W/BA9S/T2.75/CL/2000H/4T2.75MBCL6V DONSBULBS
I/6V/4W/BA9S/T2.75/CL/2000H/411 SUNG-WHEE
I/6V/4W/BA9S/T2.75/CL/2000H/T4W-4W-6V-BA9S DONSBULBS
I/6V/4W/BA9S/T2.75/CL/2000H/T4W-4W-6V-BA9S ECE
I/6V/4W/BA9S/T2.75/CL/2000H/T4W-6V-BA9S DONSBULBS
I/6V/4W/BA9S/T2.75/CL/2000H/T4W-6V DONSBULBS
I/6V/4W/BA9S/T2.75/CL/T4W-6V DONSBULBS
I/6V/4W/BA9S/T2.75/T4W-6V DONSBULBS
I/6V/4W/BA9S/T2.9
I/6V/4W/BA9S/T2.9/714 NAM-YUNG
I/6V/4W/BA9S/T3
I/6V/4W/BA9S/T4W-6V DONSBULBS
I/6V/4W/BA9S/T8.5MM
I/6V/4W/BA9S/T8.5MM/716 ACELITE
I/6V/4W/BA9S/T8.5MM/A809 FOCUS
I/6V/4W/BA9S/T8.5MM/A1364J STANLEY
I/6V/4W/BA9S/T9.2MM
I/6V/4W/BA9S/T9.2MM/714 NAM-YUNG
I/6V/4W/BA9S/T10MM
I/6V/4W/BA9S/T10MM/914 NAM-YUNG
I/6V/4W/BA9S/TUBE
I/6V/4W/BA9S/TUBE/200H
I/6V/4W/BA9S/TUBE/500H
I/6V/4.2W/BA9S/T2.75/CL
LLB293-ECE-T4W/6V/4W/BA9S-MCC LUCAS
LLB293-ECE-T4W/6V/4W/BA9S/T8.8MM/27.4MMMOL/C2R LUCAS
LLB293-ECE-T4W LUCAS
M-1114 CNS
R-293 RING
R293 CANDLEPOWER-INCORPORATED
R293 CPI
R293 RING
SR-6VOLT-4WATT-T4-BA9S
SR/6V/4W/T4/BA9S
SR/6V/4W/T4/MB
SR6V/4W/T4/MB
SR6V4W-T4MB
T4W-4W-6V-BA9S DONSBULBS
T4W-4W-6V-BA9S ECE
T4W-6-V-4-W-BA9S-1-987-302-603 BOSCH
T4W-6-V-4-W-BA9S-4-3-165141-239317-1-987-302-603 BOSCH
T4W-6-V-4-W-BA9S-4-3-1651412393171987302603 BOSCH
T4W-6-V-4-W-BA9S-1987302603 BOSCH
T4W-6V-4W-BA9S-1-987-302-603 BOSCH
T4W-6V-4W-BA9S-4-3-165141-239317-1-987-302-603 BOSCH
T4W-6V-4W-BA9S-4-3-1651412393171987302603 BOSCH
T4W-6V-4W-BA9S-1987302603 BOSCH
T4W-6V-4W-BA9S ECE
T4W-6V-4W-BA9S FLOSSER
T4W-6V-BA9S DONSBULBS
T4W-6V/4W/BA9S ECE
T4W-6V DONSBULBS
T4W-6VOLT-4WATT-BA9S ECE
T4W-6VOLT-4WATT ECE
T4W/4W/6V/4W/BA9S GENERAL-ELECTRIC
T4W/4W/6V/BA9S GENERAL-ELECTRIC
T4W/6V/4W/BA9S-MCC LUCAS
T4W/6V/4W/BA9S/T8.8MM/27.4MMMOL/C2R LUCAS
T4W/6V/4W/BA9S ECE
T4W/6V/4W/BA9S GENERAL-ELECTRIC
T4W/6V/4W/BA9S OSRAM
T4W/6V/4W ECE
T4W/6V/BA9S GENERAL-ELECTRIC
T4W/6V LUCAS
T4W/6VOLT/4WATT/BA9S ECE
T4W/6VOLT/4WATT ECE
T4W USA
T4W6V4W-BA9S ECE

4T2.75MBCL6V-23MMMOL DONSBULBS
I/6V/4W/BA9S/T2.75/CL/23MMMOL

have been found in equipment:

>> no equipment cross-references entered yet <<
Know any equipment using this bulb to add to this list?
Enter as much information as possible: example:
manufacture name:  Bell & Howell
model number #:  1480
model name:  Multi-Motion
size:  8mm
type of equipment:  projector
notes:  only the green one
comments:  any comments