PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H43AYDXLamp,mercury Vapor

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 6240-00-875-8075 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-875-8075 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-875-8075. Primary manufacturer part number: H43AYDX.
Features
  • Lamp,mercury Vapor — FSC 6240
  • Bulb Light Transmission Characteristic: TRANSLUCENT
  • Bulb Style: E (ELIPTICAL)
  • Voltage Rating: 130.000 VOLTS NOMINAL
  • Rated Average Life: HOURS
  • Bulb Designator: E-21
  • Features Provided: WATERPROOF TERMINALS
  • Average Life Rating in Hours: 16000.0
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,mercury Vapor, cataloged under National Stock Number 6240-00-875-8075, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is American National Standards Institute Incorporated Dba American National Standards Institute. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-875-8075
Primary Part NumberH43AYDX
Item NameLamp,mercury Vapor
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerAmerican National Standards Institute Incorporated Dba American National Standards Institute
StatusACTIVE
Bulb Light Transmission CharacteristicTRANSLUCENT
Bulb StyleE (ELIPTICAL)
Voltage Rating130.000 VOLTS NOMINAL
Rated Average LifeHOURS
Bulb DesignatorE-21
Features ProvidedWATERPROOF TERMINALS
Average Life Rating in Hours16000.0
Wattage Rating75.000 WATTS
Base StyleMEDIUM SCREW
Burning PositionBASE UP
Emitted Light CharacteristicWHITE, DELUXE
Light Center Length3.562 INCHES MINIMUM AND 3.938 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6240-00-184-5823H100PFL44-4 INTERCHANGEABLE
Lamp,mercury Vapor
General Electric Company Dba Ge
6240-00-519-0727H33CD-400 INTERCHANGEABLE
Lamp,mercury Vapor
Osram Sylvania Inc
6240-00-617-1035H33GL-400/C INTERCHANGEABLE
Lamp,mercury Vapor
American National Standards Institute Incorporated Dba American National Standards Institute
6240-00-617-1705H36-15GWC INTERCHANGEABLE
Lamp,mercury Vapor
American National Standards Institute Incorporated Dba American National Standards Institute
6240-00-885-6781H38-4JA/DXE INTERCHANGEABLE
Lamp,mercury Vapor
American National Standards Institute Incorporated Dba American National Standards Institute
6240-00-885-6821 INTERCHANGEABLE
Lamp,mercury Vapor
6240-00-887-8103H38MP-100/DX INTERCHANGEABLE
Lamp,mercury Vapor
American National Standards Institute Incorporated Dba American National Standards Institute
6240-00-889-1764H34-12GVC INTERCHANGEABLE
Lamp,mercury Vapor
American National Standards Institute Incorporated Dba American National Standards Institute
6240-00-889-1825H37-5KCC INTERCHANGEABLE
Lamp,mercury Vapor
American National Standards Institute Incorporated Dba American National Standards Institute
6240-00-899-6990H33DN-400/W INTERCHANGEABLE
Lamp,mercury Vapor
American National Standards Institute Incorporated Dba American National Standards Institute
Cross-Reference Index
Part NumberManufacturer
H43AYDX PRIMARY American National Standards Institute Incorporated Dba American National Standards Institute (USA)
C78-380 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
6240-00-184-5823INTERCHANGEABLE
LAMP,MERCURY VAPOR
H100PFL44-4
6240-00-519-0727INTERCHANGEABLE
LAMP,MERCURY VAPOR
H33CD-400
6240-00-617-1035INTERCHANGEABLE
LAMP,MERCURY VAPOR
H33GL-400/C
6240-00-617-1705INTERCHANGEABLE
LAMP,MERCURY VAPOR
H36-15GWC
6240-00-885-6781INTERCHANGEABLE
LAMP,MERCURY VAPOR
H38-4JA/DXE
6240-00-885-6821INTERCHANGEABLE
LAMP,MERCURY VAPOR
6240-00-887-8103INTERCHANGEABLE
LAMP,MERCURY VAPOR
H38MP-100/DX
6240-00-889-1764INTERCHANGEABLE
LAMP,MERCURY VAPOR
H34-12GVC
6240-00-889-1825INTERCHANGEABLE
LAMP,MERCURY VAPOR
H37-5KCC
6240-00-899-6990INTERCHANGEABLE
LAMP,MERCURY VAPOR
H33DN-400/W
6240-00-949-8078INTERCHANGEABLE
LAMP,MERCURY VAPOR
39605
6240-00-949-8079INTERCHANGEABLE
LAMP,MERCURY VAPOR
S750R57C230V

Frequently Asked Questions

What is NSN 6240-00-875-8075?

NSN 6240-00-875-8075 is a Lamp,mercury Vapor, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-875-8075?

NSN 6240-00-875-8075 has 2 cross-referenced part numbers: H43AYDX (American National Standards Institute Incorporated Dba American National Standards Institute), C78-380 (American National Standards Institute Incorporated Dba American National Standards Institute).

What NSN replaces 6240-00-875-8075?

There are 12 known substitutes for 6240-00-875-8075: 6240-00-184-5823, 6240-00-519-0727, 6240-00-617-1035 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H43AYDX?

Key specifications for H43AYDX: Bulb Light Transmission Characteristic: TRANSLUCENT; Bulb Style: E (ELIPTICAL); Voltage Rating: 130.000 VOLTS NOMINAL; Rated Average Life: HOURS. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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