PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1843Lamp,incandescent

Ward Leonard Ct Llc · NSN 6240-00-877-2811 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-877-2811 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-877-2811. Primary manufacturer part number: 1843.
Features
  • Lamp,incandescent — FSC 6240
  • Bulb Style: T (TUBULAR)
  • Average Life Rating in Hours: 3000.0
  • Base Style: MINIATURE BAYONET
  • Light Center Length: 0.630 INCHES NOMINAL IN
  • Voltage Rating: 28.000 VOLTS NOMINAL
  • Specification/standard Data: 08108-1843 MANUFACTURERS STANDARD
  • Light Output Rating: 0.200 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-877-2811, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Ward Leonard Ct Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 18 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
NSN6240-00-877-2811
Primary Part Number1843
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerWard Leonard Ct Llc
StatusCANCELLED
Bulb StyleT (TUBULAR)
Average Life Rating in Hours3000.0
Base StyleMINIATURE BAYONET
Light Center Length0.630 INCHES NOMINAL IN
Voltage Rating28.000 VOLTS NOMINAL
Specification/standard Data08108-1843 MANUFACTURERS STANDARD
Light Output Rating0.200 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Wattage Rating0.616 WATTS
Bulb DesignatorT-3 1/4
Filament Heavy Duty Service RatingNOT RATED
Current Rating for Which Designed0.022 AMPERES NOMINAL
Rated Average LifeHOURS
Filament DesignationC-2F
Emitted Light CharacteristicCOLORLESS
Bulb Light Transmission CharacteristicTRANSPARENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-103-6452 INTERCHANGEABLE
Coil,radio Frequency
5915-00-107-0253NW5616 INTERCHANGEABLE
Capacitor-Resistor
Prime Technology Llc
3830-00-163-88140101843-1 INTERCHANGEABLE
Cup
New Holland Construction
5340-00-266-0763 INTERCHANGEABLE
Bumper
3455-00-293-0512 INTERCHANGEABLE
Cutter,milling,metal Slitting
5950-00-409-01921843 INTERCHANGEABLE
Reactor
Magnespec Inc
6625-00-424-40751843 INTERCHANGEABLE
Position and Syncro Indicator As
Scientific Atlanta Inc
5330-00-499-5618100485 INTERCHANGEABLE
Gasket
Cummins Inc.
5935-00-906-318977C707868-2 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Lockheed Martin Corporation Div Rms
5935-00-988-81700N124025 INTERCHANGEABLE
Plate,retaining,electrical Conne
National Security Agency
Cross-Reference Index
Part NumberManufacturer
9976049 Us Army Aviation and Missile Command (USA)
1843 General Electric Co Lamp Refractory Metals Products Dept (USA)
1843 PRIMARY Ward Leonard Ct Llc (USA)
87-0716 Bae Systems Information & Electronic Systems Integration Inc. (USA)
VARIABLE PRICING Dla Aviation Engineering Div Department of Defense (USA)
849546-30 Rca Corp Consumer Electronics (USA)
434-0011-010 The Boeing Company Div Legacy Boeing Hb1 (USA)
5041-1157 Industrial Devices Inc (USA)
1843 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
1843 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
H33L28L Navcom Defense Electronics, Inc. (USA)
TYPE 1843 Zf Industrieantriebe Witten Gmbh (DEU)
EL-S-13036 Industrial Nucleonics Corp (USA)
87-0716 Finnigan Corporation (USA)
PL1843 Precision Lamp Inc (USA)
L32923 Cnh Industrial America Llc Dba Cnh America (USA)
14500312-001 Honeywell Inc Commercial Div (USA)
100-485 Zenith Electronics Corporation (USA)
Related Parts
5950-00-103-6452INTERCHANGEABLE
COIL,RADIO FREQUENCY
5915-00-107-0253INTERCHANGEABLE
CAPACITOR-RESISTOR
NW5616
3830-00-163-8814INTERCHANGEABLE
CUP
0101843-1
5340-00-266-0763INTERCHANGEABLE
BUMPER
3455-00-293-0512INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
5950-00-409-0192INTERCHANGEABLE
REACTOR
1843
6625-00-424-4075INTERCHANGEABLE
POSITION AND SYNCRO INDICATOR AS
1843
5330-00-499-5618INTERCHANGEABLE
GASKET
100485
5935-00-906-3189INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
77C707868-2
5935-00-988-8170INTERCHANGEABLE
PLATE,RETAINING,ELECTRICAL CONNE
0N124025
3455-01-049-1013INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
08040
5310-01-172-4068INTERCHANGEABLE
WASHER
530-506

Frequently Asked Questions

What is NSN 6240-00-877-2811?

NSN 6240-00-877-2811 is a Lamp,incandescent, manufactured by Ward Leonard Ct Llc, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-877-2811?

NSN 6240-00-877-2811 has 18 cross-referenced part numbers: 9976049 (Us Army Aviation and Missile Command), 1843 (General Electric Co Lamp Refractory Metals Products Dept), 1843 (Ward Leonard Ct Llc), 87-0716 (Bae Systems Information & Electronic Systems Integration Inc.), VARIABLE PRICING (Dla Aviation Engineering Div Department of Defense) and 13 more.

What NSN replaces 6240-00-877-2811?

There are 12 known substitutes for 6240-00-877-2811: 5950-00-103-6452, 5915-00-107-0253, 3830-00-163-8814 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1843?

Key specifications for 1843: Bulb Style: T (TUBULAR); Average Life Rating in Hours: 3000.0; Base Style: MINIATURE BAYONET; Light Center Length: 0.630 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-877-2811 still in active supply?

NSN 6240-00-877-2811 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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