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sealed beam light bulb lamp
4593 28V 50W ST USA
( 4593/28V/50W/ST USA )
is known as:
I 28V 50W ST PAR36 WFL 400H
( I/28V/50W/ST/PAR36/WFL/400H )
enter quantity:   
quantity discount:
bulb quantity:  1    2+    4+  
price per bulb:  $60    $57    $54.15  

I 28V 50W ST PAR36 WFL 400H bulb specifications:
category: Sealed Beam
volt: 28
amp: 1.79
watt: 50
base: ST2
glass: PAR36
filament: CC6
fil.res.: 15.6 ohm
m.o.l.: 2.76 inch (70MM)
burn pos: burn within 45 degrees of vertical base-down
i.lumens: 515
cp: 41
d.hours: 400

notes:


1500AIPBCP
ANSI spec sheet also refers to SAE-J598
aircraft in-air refueling lamp
aircraft lamp
ba:80x30
medium angle flood lamp
wide angle flood lamp
lens:fluted
mm
specs verified against ANSI-SR26D2002


typical shape of PAR36 glass envelopes
(not to scale)


typical shape of CC6 filament
(not to scale)


industry standards for base:
ST2
(not to scale)


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.

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Thank you, Don Schnapp


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


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a few related bulb searches:

I / 28V / 50W / ST / PAR36 / FL / 400H / 4502 (4502/28V/50W/ST USA)
I / 28V / 50W / ST / PAR36 / FL / AMBER (4402/AMBER/28V/50W/ST USA)
I / 28V / 50W / ST / PAR36 / FL (4402/28V/50W/ST USA)
I / 28V / 50W / ST / PAR36 / TRAPEZOIDAL (4589/28V/50W/ST USA)
I / 28V / 50W / ST / PAR36 / VNSP / 400H
I / 28V / 50W / ST / PAR36 / WFL / 400H (this bulb)

I 28V 50W ST PAR36 WFL 400H
also known as
Cross-Reference:


4593/28V/50W/PAR36/SCREW-TERMINALS MICROLAMP
4593/28V/50W/PAR36/ST
4593/28V/50W/PAR36 MICROLAMP
4593/28V/50W/ST USA
4593/28V/50W USA
4593 AC/DELCO
4593 GENERAL-ELECTRIC
4593 MICROLAMP
4593 STANDARDPRO
4593 USA
4593 WESTINGHOUSE
6240-00-132-5317
006798/28V/50W/ST ORBITEC
006798/28V/50W ORBITEC
006798 ORBITEC
6798 ORBITEC
11893 STANDARDPRO
24887-SKU GENERAL-ELECTRIC
24887 GENERAL-ELECTRIC
5954417 GENERAL-MOTORS
69549118935
69549118935UPC STANDARDPRO
I/28V/50W/ST/PAR36/400H/006798
I/28V/50W/ST/PAR36/WFL/400H
L4593 AC/DELCO
RF-4593 ORBITEC
RF4593/28V/50W/ST ORBITEC
RF4593/28V/50W ORBITEC
RF4593 ORBITEC
RP36S45.93 BAILEY
S4593 STANDARDPRO
Know a cross-reference for this bulb
to add to this list?


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bulb number
brand of bulb

I 28V 50W ST PAR36 WFL 400H
have been found in equipment:
Piper
PA31-350 Aircraft
PA31T2 Aircraft
PA31T Aircraft
PA42 Aircraft
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