PartsTable
Technical Data Sheet

HSB750R/120 — LAMP,MERCURY VAPOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

HSB750R/120: LAMP,MERCURY VAPOR.

The LAMP,MERCURY VAPOR is a the manufacturer industrial component. Key specifications include base_style: MOGUL SCREW, bulb_style: R (REFLECTOR), overall_length: 12.750 INCHES MAXIMUM IN, voltage_rating: 120.000 VOLTS NOMINAL, wattage_rating: 750.000 WATTS, bulb_designator: R-57. This part is cataloged in the U.S.

Government catalog under NSN 6240-01-074-6962, 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
HSB750R/120
NSN: 6240-01-074-6962
FSC: 6240 — Electric Lamps
CAGE: 08805 — GENERAL ELECTRIC COMPANY DBA GE (USA)
SPECIFICATIONS
base_styleMOGUL SCREW
bulb_styleR (REFLECTOR)
overall_length12.750 INCHES MAXIMUM IN
voltage_rating120.000 VOLTS NOMINAL
wattage_rating750.000 WATTS
bulb_designatorR-57
burning_positionBASE UP
special_featuresSELF BALLASTED LAMP
rated_average_lifeHOURS
light_center_length8.375 INCHES NOMINAL IN
light_output_rating11200.000 LUMENS NOMINAL SINGLE RATING
average_life_rating_in_hours16000.0
NSN6240-01-074-6962
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LAMP,MERCURY VAPOR TITLE COMPONENT PN HSB750R/120 MFR LAMP,MERCURY VAPOR
KEY FEATURES
•
BULB LIGHT TRANSMISSION CHARACTERISTIC: TRANSLUCENT
•
BASE STYLE: MOGUL SCREW
•
RATED AVERAGE LIFE: HOURS
•
BULB DESIGNATOR: R-57
•
BURNING POSITION: BASE UP
•
WATTAGE RATING: 750.000 WATTS
•
EMITTED LIGHT CHARACTERISTIC: WHITE
TECHNICAL CHARACTERISTICS
BULB LIGHT TRANSMISSION CHARACTERISTICTRANSLUCENT
BASE STYLEMOGUL SCREW
RATED AVERAGE LIFEHOURS
BULB DESIGNATORR-57
OVERALL LENGTH12.750 INCHES MAXIMUM IN
BURNING POSITIONBASE UP
WATTAGE RATING750.000 WATTS
EMITTED LIGHT CHARACTERISTICWHITE
LIGHT OUTPUT RATING11200.000 LUMENS NOMINAL SINGLE RATING
SPECIAL FEATURESSELF BALLASTED LAMP
SUBSTITUTES & CROSS-REFERENCES 4
B78YC-750Reference document
Same NSN cross-reference
Reference document — Secondary reference
S750R57-120VReference document
Same NSN cross-reference
Reference document — Secondary reference
B78YE-750Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
S750R57Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HSB750R/120?
HSB750R/120 is a LAMP,MERCURY VAPOR.
What parts can replace HSB750R/120?
There are 4 known substitutes for HSB750R/120: B78YC-750, S750R57-120V, B78YE-750 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HSB750R/120?
HSB750R/120 is cataloged in the U.S. Government catalog under NSN 6240-01-074-6962. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.