PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1839Lamp,incandescent

General Electric Company · NSN 6240-00-155-7802 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-155-7802 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-155-7802. Primary manufacturer part number: 1839.
Features
  • Lamp,incandescent — FSC 6240
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Bulb Designator: T-4
  • Base Style: MINIATURE BAYONET
  • Bulb Style: T (TUBULAR)
  • Current Rating for Which Designed: 680.000 MILLIAMPERES NOMINAL
  • Voltage Rating: 6.300 VOLTS NOMINAL
  • Rated Average Life: HOURS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-155-7802, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is General Electric Company. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-155-7802
Primary Part Number1839
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerGeneral Electric Company
StatusACTIVE
Bulb Light Transmission CharacteristicTRANSPARENT
Bulb DesignatorT-4
Base StyleMINIATURE BAYONET
Bulb StyleT (TUBULAR)
Current Rating for Which Designed680.000 MILLIAMPERES NOMINAL
Voltage Rating6.300 VOLTS NOMINAL
Rated Average LifeHOURS
Emitted Light CharacteristicWHITE
Average Life Rating in Hours500.0
Filament Heavy Duty Service RatingNOT RATED
Filament DesignationC-2R
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
7040-00-054-3403 INTERCHANGEABLE
Unit,reader Drive
1680-00-071-08751839 INTERCHANGEABLE
Handle,cabin Door
Adams Rite Aerospace, Inc
5305-00-983-7428 INTERCHANGEABLE
Screw,cap,socket Head
4820-01-122-0918005-300-0011 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4220-01-172-4063510-553 INTERCHANGEABLE
Diaphram
Kirby Morgan Dive Systems Inc
3120-01-246-2633 INTERCHANGEABLE
Bushing,sleeve
6685-01-327-93621839 INTERCHANGEABLE
Thermometer,indicating,capillary
Frey Scientific Co Inc
5365-01-448-50671839 INTERCHANGEABLE
Spacer,ring
Keystone Electronics Corp
5985-01-501-3253G743899 INTERCHANGEABLE
Attenuator,variable
Raytheon Company Div Corp
Cross-Reference Index
Part NumberManufacturer
1839 General Electric Company (USA)
1839 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
AN3142-1839 Aeronautical Standards Group Dept of Navy and Air Force (USA)
1839 General Electric Co Lamp Division of Consumer Products Group (USA)
87-0713 Finnigan Corporation (USA)
1839 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
Related Parts
7040-00-054-3403INTERCHANGEABLE
UNIT,READER DRIVE
1680-00-071-0875INTERCHANGEABLE
HANDLE,CABIN DOOR
1839
5305-00-983-7428INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
4820-01-122-0918INTERCHANGEABLE
DISK,VALVE
005-300-0011
4220-01-172-4063INTERCHANGEABLE
DIAPHRAM
510-553
3120-01-246-2633INTERCHANGEABLE
BUSHING,SLEEVE
6685-01-327-9362INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
1839
5365-01-448-5067INTERCHANGEABLE
SPACER,RING
1839
5985-01-501-3253INTERCHANGEABLE
ATTENUATOR,VARIABLE
G743899

Frequently Asked Questions

What is NSN 6240-00-155-7802?

NSN 6240-00-155-7802 is a Lamp,incandescent, manufactured by General Electric Company, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-155-7802?

NSN 6240-00-155-7802 has 6 cross-referenced part numbers: 1839 (General Electric Company), 1839 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), AN3142-1839 (Aeronautical Standards Group Dept of Navy and Air Force), 1839 (General Electric Co Lamp Division of Consumer Products Group), 87-0713 (Finnigan Corporation) and 1 more.

What NSN replaces 6240-00-155-7802?

There are 9 known substitutes for 6240-00-155-7802: 7040-00-054-3403, 1680-00-071-0875, 5305-00-983-7428 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1839?

Key specifications for 1839: Bulb Light Transmission Characteristic: TRANSPARENT; Bulb Designator: T-4; Base Style: MINIATURE BAYONET; Overall Length: 1.250 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com