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PartsTable / COMPONENT / 100B21/MERCULITE-120/MED/HOWDX
100B21/MERCULITE-120/MED/HOWDX ✓ 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 100B21/MERCULITE-120/MED/HOWDX is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-01-313-4765, 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
100B21/MERCULITE-120/MED/HOWDX
NSN: 6240-01-313-4765
FSC: 6240
CAGE: 51454 — WESTRON CORPORATION DBA WESTRON LIGHTING (USA)
SPECIFICATIONS
Part Number100B21/MERCULITE-120/MED/HOWDX
NSN6240-01-313-4765
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 100B21/MERCULITE-120/MED/HOWDX TITLE COMPONENT PN 100B21/MERCULITE-120/MED/HOWDX MFR 100B21/MERCULITE-120/M
KEY FEATURES
•
VOLTAGE RATING: 120.000 VOLTS NOMINAL
•
AVERAGE LIFE RATING IN HOURS: 12000.0
•
WATTAGE RATING: 100.000 WATTS
•
BASE STYLE: MEDIUM SCREW
•
RATED AVERAGE LIFE: HOURS
•
BULB DESIGNATOR: B-21
•
BULB STYLE: B (ARBITRARY DESIGNATION)
TECHNICAL CHARACTERISTICS (FLIS)
VOLTAGE RATING120.000 VOLTS NOMINAL
AVERAGE LIFE RATING IN HOURS12000.0
WATTAGE RATING100.000 WATTS
BASE STYLEMEDIUM SCREW
RATED AVERAGE LIFEHOURS
BULB DESIGNATORB-21
SPECIAL FEATURESENERGY EFFICIENT
BULB STYLEB (ARBITRARY DESIGNATION)
OVERALL LENGTH6.250 INCHES MAXIMUM IN
BULB LIGHT TRANSMISSION CHARACTERISTICTRANSPARENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
34100Interchangeable
interchangeable cross-reference
interchangeable
D15-395GPC224Interchangeable
interchangeable cross-reference
interchangeable
D15-661IPC20Interchangeable
interchangeable cross-reference
interchangeable
SD35D1Interchangeable
interchangeable cross-reference
interchangeable
R100U2-5Interchangeable
interchangeable cross-reference
interchangeable
341-167-10KInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 100B21/MERCULITE-120/MED/HOWDX?
100B21/MERCULITE-120/MED/HOWDX is a 100B21/MERCULITE-120/MED/HOWDX.
What parts can replace 100B21/MERCULITE-120/MED/HOWDX?
There are 14 known substitutes for 100B21/MERCULITE-120/MED/HOWDX: 34100, D15-395GPC224, D15-661IPC20 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 100B21/MERCULITE-120/MED/HOWDX?
100B21/MERCULITE-120/MED/HOWDX is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-01-313-4765. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026