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Technical Data Sheet
4046-B ✓ 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: TWO SCREW TERMINALS, bulb_style: PAR (PARABOLIC, ALUMINIZED REFLECTOR), overall_length: 2.750 INCHES MAXIMUM IN, voltage_rating: 6.400 VOLTS NOMINAL, wattage_rating: 25.000 WATTS, bulb_designator: PAR-36. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-556-8657, 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
4046-B
NSN: 6240-00-556-8657
FSC: 6240
CAGE: 78977 — UNITY MANUFACTURING CO (USA)
SPECIFICATIONS
base_styleTWO SCREW TERMINALS
bulb_stylePAR (PARABOLIC, ALUMINIZED REFLECTOR)
overall_length2.750 INCHES MAXIMUM IN
voltage_rating6.400 VOLTS NOMINAL
wattage_rating25.000 WATTS
bulb_designatorPAR-36
features_providedHEAT RESISTANT GLASS
rated_average_lifeHOURS
light_output_rating750.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING
filament_designationC-6
nondefinitive_spec/std_dataIII TYPE
average_life_rating_in_hours300.0
NSN6240-00-556-8657
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LAMP,INCANDESCENT TITLE COMPONENT PN 4046-B MFR LAMP,INCANDESCENT
KEY FEATURES
BULB LIGHT TRANSMISSION CHARACTERISTIC: TRANSPARENT
WATTAGE RATING: 25.000 WATTS
NONDEFINITIVE SPEC/STD DATA: III TYPE
CURRENT RATING FOR WHICH DESIGNED: 3.906 AMPERES NOMINAL
LIGHT OUTPUT RATING: 750.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING
LIGHT INTENSITY DISTRIBUTION FEATURE: PARABOLIC REFLECTOR
RATED AVERAGE LIFE: HOURS
FEATURES PROVIDED: HEAT RESISTANT GLASS
TECHNICAL CHARACTERISTICS (FLIS)
BULB LIGHT TRANSMISSION CHARACTERISTICTRANSPARENT
WATTAGE RATING25.000 WATTS
NONDEFINITIVE SPEC/STD DATAIII TYPE
CURRENT RATING FOR WHICH DESIGNED3.906 AMPERES NOMINAL
LIGHT OUTPUT RATING750.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING
LIGHT INTENSITY DISTRIBUTION FEATUREPARABOLIC REFLECTOR
RATED AVERAGE LIFEHOURS
FEATURES PROVIDEDHEAT RESISTANT GLASS
AVERAGE LIFE RATING IN HOURS300.0
FILAMENT HEAVY DUTY SERVICE RATINGNOT RATED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
4510Interchangeable
interchangeable cross-reference
interchangeable
A4510Interchangeable
interchangeable cross-reference
interchangeable
1JB3892-2Interchangeable
interchangeable cross-reference
interchangeable
2021794Interchangeable
interchangeable cross-reference
interchangeable
SMB289535Interchangeable
interchangeable cross-reference
interchangeable
07230237Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4046-B?
4046-B is a LAMP,INCANDESCENT.
What parts can replace 4046-B?
There are 23 known substitutes for 4046-B: 4510, A4510, 1JB3892-2 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4046-B?
4046-B is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-556-8657. This indicates validated use in U.S. government and defense supply chains.
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