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H175W39-22 — LAMP,MERCURY VAPOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

H175W39-22: LAMP,MERCURY VAPOR.

The LAMP,MERCURY VAPOR is a the manufacturer industrial component. Key specifications include base_style: MOGUL SCREW, bulb_style: BT (BULGED TUBULAR), overall_length: 8.312 INCHES MAXIMUM IN, wattage_rating: 175.000 WATTS, bulb_designator: BT-28, rated_average_life: HOURS. This part is cataloged in the U.S.

Government catalog under NSN 6240-00-985-5244, 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
H175W39-22
NSN: 6240-00-985-5244
FSC: 6240 — Electric Lamps
CAGE: 08805 — GENERAL ELECTRIC COMPANY DBA GE (USA)
SPECIFICATIONS
base_styleMOGUL SCREW
bulb_styleBT (BULGED TUBULAR)
overall_length8.312 INCHES MAXIMUM IN
wattage_rating175.000 WATTS
bulb_designatorBT-28
rated_average_lifeHOURS
light_center_length5.000 INCHES NOMINAL IN
light_output_rating7700.000 LUMENS NOMINAL SINGLE RATING
specification/standard_data80204-H39-22KC-W MANUFACTURERS STANDARD
average_life_rating_in_hours24000.0
emitted_light_characteristicWHITE
light_intensity_distribution_featurePHOSPHOR COATED BAND
NSN6240-00-985-5244
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LAMP,MERCURY VAPOR TITLE COMPONENT PN H175W39-22 MFR LAMP,MERCURY VAPOR
KEY FEATURES
•
BULB LIGHT TRANSMISSION CHARACTERISTIC: TRANSPARENT
•
BASE STYLE: MOGUL SCREW
•
RATED AVERAGE LIFE: HOURS
•
BULB DESIGNATOR: BT-28
•
SPECIFICATION/STANDARD DATA: 80204-H39-22KC-W MANUFACTURERS STANDARD
•
WATTAGE RATING: 175.000 WATTS
•
EMITTED LIGHT CHARACTERISTIC: WHITE
TECHNICAL CHARACTERISTICS
BULB LIGHT TRANSMISSION CHARACTERISTICTRANSPARENT
BASE STYLEMOGUL SCREW
RATED AVERAGE LIFEHOURS
BULB DESIGNATORBT-28
OVERALL LENGTH8.312 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA80204-H39-22KC-W MANUFACTURERS STANDARD
WATTAGE RATING175.000 WATTS
EMITTED LIGHT CHARACTERISTICWHITE
LIGHT OUTPUT RATING7700.000 LUMENS NOMINAL SINGLE RATING
LIGHT CENTER LENGTH5.000 INCHES NOMINAL IN
OTHER ITEMS IN FSC 6240 — Electric Lamps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6240-00-000-0101 6240-00-001-1436 6240-00-001-1519 6240-00-001-1520 6240-00-001-1521 6240-00-001-1541 6240-00-001-1545
SUBSTITUTES & CROSS-REFERENCES 2
C78-1308Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
H175W39-22BTSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H175W39-22?
H175W39-22 is a LAMP,MERCURY VAPOR.
What parts can replace H175W39-22?
There are 2 known substitutes for H175W39-22: C78-1308, H175W39-22BT. Substitute compatibility should be verified for your specific system.
What is the NSN for H175W39-22?
H175W39-22 is cataloged in the U.S. Government catalog under NSN 6240-00-985-5244. 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.