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Technical Data Sheet
H400E1 ✓ 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,MERCURY VAPOR is a the manufacturer industrial component. Key specifications include base_style: MOGUL SCREW, bulb_style: BT (BULGED TUBULAR), overall_length: 11.500 INCHES MAXIMUM IN, wattage_rating: 400.000 WATTS, bulb_designator: BT-37, special_features: ENERGY SAVER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-519-0727, 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
H400E1
NSN: 6240-00-519-0727
FSC: 6240
CAGE: 08805 — GENERAL ELECTRIC COMPANY DBA GE (USA)
SPECIFICATIONS
base_styleMOGUL SCREW
bulb_styleBT (BULGED TUBULAR)
overall_length11.500 INCHES MAXIMUM IN
wattage_rating400.000 WATTS
bulb_designatorBT-37
special_featuresENERGY SAVER
rated_average_lifeHOURS
light_center_length7.000 INCHES NOMINAL IN
light_output_rating18900.000 LUMENS NOMINAL SINGLE RATING
average_life_rating_in_hours24000.0
emitted_light_characteristicBLUE-WHITE
light_intensity_distribution_featurePHOSPHOR COATED BAND
NSN6240-00-519-0727
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LAMP,MERCURY VAPOR TITLE COMPONENT PN H400E1 MFR LAMP,MERCURY VAPOR
KEY FEATURES
AVERAGE LIFE RATING IN HOURS: 24000.0
WATTAGE RATING: 400.000 WATTS
BASE STYLE: MOGUL SCREW
BULB DESIGNATOR: BT-37
LIGHT CENTER LENGTH: 7.000 INCHES NOMINAL IN
LIGHT INTENSITY DISTRIBUTION FEATURE: PHOSPHOR COATED BAND
EMITTED LIGHT CHARACTERISTIC: BLUE-WHITE
TECHNICAL CHARACTERISTICS (FLIS)
AVERAGE LIFE RATING IN HOURS24000.0
WATTAGE RATING400.000 WATTS
BASE STYLEMOGUL SCREW
BULB DESIGNATORBT-37
LIGHT CENTER LENGTH7.000 INCHES NOMINAL IN
LIGHT INTENSITY DISTRIBUTION FEATUREPHOSPHOR COATED BAND
SPECIAL FEATURESENERGY SAVER
EMITTED LIGHT CHARACTERISTICBLUE-WHITE
LIGHT OUTPUT RATING18900.000 LUMENS NOMINAL SINGLE RATING
BULB LIGHT TRANSMISSION CHARACTERISTICTRANSPARENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
H44-4JMInterchangeable
interchangeable cross-reference
interchangeable
C78-380Interchangeable
interchangeable cross-reference
interchangeable
X7-25360Interchangeable
interchangeable cross-reference
interchangeable
H33-1GLCInterchangeable
interchangeable cross-reference
interchangeable
H33GL-400/CInterchangeable
interchangeable cross-reference
interchangeable
H36-15GWCInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H400E1?
H400E1 is a LAMP,MERCURY VAPOR.
What parts can replace H400E1?
There are 22 known substitutes for H400E1: H44-4JM, C78-380, X7-25360 and 19 more. Substitute compatibility should be verified for your specific system.
Is H400E1 still available?
H400E1 is currently cancelled.
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