PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H38-4JA/DXELamp,mercury Vapor

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 6240-00-885-6781 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-885-6781 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-885-6781. Primary manufacturer part number: H38-4JA/DXE.
Features
  • Lamp,mercury Vapor — FSC 6240
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Bulb Designator: E-23 1/2
  • Average Life Rating in Hours: 24000.0
  • Emitted Light Characteristic: WHITE, DELUXE
  • Bulb Style: E (ELIPTICAL)
  • Base Style: MOGUL SCREW
  • Light Output Rating: 3530.000 LUMENS NOMINAL SINGLE RATING
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,mercury Vapor, cataloged under National Stock Number 6240-00-885-6781, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-885-6781
Primary Part NumberH38-4JA/DXE
Item NameLamp,mercury Vapor
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerAmerican National Standards Institute Incorporated Dba American National Standards Institute
StatusCANCELLED
Bulb Light Transmission CharacteristicTRANSPARENT
Bulb DesignatorE-23 1/2
Average Life Rating in Hours24000.0
Emitted Light CharacteristicWHITE, DELUXE
Bulb StyleE (ELIPTICAL)
Base StyleMOGUL SCREW
Light Output Rating3530.000 LUMENS NOMINAL SINGLE RATING
Wattage Rating100.000 WATTS
Light Center Length5.000 INCHES NOMINAL IN
Specification/standard Data80204-H38JA-100/DX PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Rated Average LifeHOURS
Lifecycle & Compliance
Acquisition StatusCANCELLED
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
6240-00-875-8075H43AYDX 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
C78-380 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
H38-4JA/DXE PRIMARY American National Standards Institute Incorporated Dba American National Standards Institute (USA)
H38JA-100/DX Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
H38-4JADX PRIMARY American National Standards Institute Incorporated Dba American National Standards Institute (USA)
H100DX38-4 General Electric Company Dba Ge (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
6240-00-875-8075INTERCHANGEABLE
LAMP,MERCURY VAPOR
H43AYDX
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 6240-00-885-6781?

NSN 6240-00-885-6781 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: cancelled.

What are the part numbers for NSN 6240-00-885-6781?

NSN 6240-00-885-6781 has 5 cross-referenced part numbers: C78-380 (American National Standards Institute Incorporated Dba American National Standards Institute), H38-4JA/DXE (American National Standards Institute Incorporated Dba American National Standards Institute), H38JA-100/DX (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), H38-4JADX (American National Standards Institute Incorporated Dba American National Standards Institute), H100DX38-4 (General Electric Company Dba Ge).

What NSN replaces 6240-00-885-6781?

There are 12 known substitutes for 6240-00-885-6781: 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 H38-4JA/DXE?

Key specifications for H38-4JA/DXE: Bulb Light Transmission Characteristic: TRANSPARENT; Bulb Designator: E-23 1/2; Average Life Rating in Hours: 24000.0; Emitted Light Characteristic: WHITE, DELUXE. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-885-6781 still in active supply?

NSN 6240-00-885-6781 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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