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Technical Data Sheet
4C5491E2 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The LAMP,INCANDESCENT is a the manufacturer industrial component. Key specifications include base_style: TELEPHONE SLIDE NUMBER TWO, bulb_style: T (TUBULAR), overall_length: 1.688 INCHES MAXIMUM IN, bulb_designator: T-2, rated_average_life: INDEFINITE LONG, light_output_rating: 270.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-186-6608, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
4C5491E2
NSN: 6240-00-186-6608
FSC: 6240
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
base_styleTELEPHONE SLIDE NUMBER TWO
bulb_styleT (TUBULAR)
overall_length1.688 INCHES MAXIMUM IN
bulb_designatorT-2
rated_average_lifeINDEFINITE LONG
light_output_rating270.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING
filament_designationC-2V V
emitted_light_characteristicWHITE
current_rating_for_which_designed0.310 AMPERES NOMINAL
filament_heavy_duty_service_ratingNOT RATED
bulb_light_transmission_characteristicTRANSPARENT
NSN6240-00-186-6608
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LAMP,INCANDESCENT TITLE COMPONENT PN 4C5491E2 MFR LAMP,INCANDESCENT
KEY FEATURES
BASE STYLE: TELEPHONE SLIDE NUMBER TWO
EMITTED LIGHT CHARACTERISTIC: WHITE
BULB DESIGNATOR: T-2
RATED AVERAGE LIFE: INDEFINITE LONG
FILAMENT HEAVY DUTY SERVICE RATING: NOT RATED
LIGHT OUTPUT RATING: 270.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING
BULB LIGHT TRANSMISSION CHARACTERISTIC: TRANSPARENT
CURRENT RATING FOR WHICH DESIGNED: 0.310 AMPERES NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
BASE STYLETELEPHONE SLIDE NUMBER TWO
EMITTED LIGHT CHARACTERISTICWHITE
BULB DESIGNATORT-2
RATED AVERAGE LIFEINDEFINITE LONG
FILAMENT HEAVY DUTY SERVICE RATINGNOT RATED
LIGHT OUTPUT RATING270.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING
BULB LIGHT TRANSMISSION CHARACTERISTICTRANSPARENT
CURRENT RATING FOR WHICH DESIGNED0.310 AMPERES NOMINAL
BULB STYLET (TUBULAR)
FILAMENT DESIGNATIONC-2V V
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
3296-1Interchangeable
interchangeable cross-reference
interchangeable
6B1Interchangeable
interchangeable cross-reference
interchangeable
4810319Interchangeable
interchangeable cross-reference
interchangeable
4810405-3Interchangeable
interchangeable cross-reference
interchangeable
C78-391Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4C5491E2?
4C5491E2 is a LAMP,INCANDESCENT.
What parts can replace 4C5491E2?
There are 5 known substitutes for 4C5491E2: 3296-1, 6B1, 4810319 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4C5491E2?
4C5491E2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-186-6608. This indicates validated use in U.S. government and defense supply chains.
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