PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B19-5Lamp,incandescent

Raytheon Company Dba Raytheon Co · NSN 6240-00-155-7964 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-155-7964 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-155-7964. Primary manufacturer part number: B19-5.
Features
  • Lamp,incandescent — FSC 6240
  • Filament Designation: C-2V V
  • Bulb Designator: T-3
  • Average Life Rating in Hours: 250.0
  • Voltage Rating: 24.000 VOLTS NOMINAL
  • Filament Heavy Duty Service Rating: NOT RATED
  • Rated Average Life: HOURS
  • Bulb Style: T (TUBULAR)
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-155-7964, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 15 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
NSN6240-00-155-7964
Primary Part NumberB19-5
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusCANCELLED
Filament DesignationC-2V V
Bulb DesignatorT-3
Average Life Rating in Hours250.0
Voltage Rating24.000 VOLTS NOMINAL
Filament Heavy Duty Service RatingNOT RATED
Rated Average LifeHOURS
Bulb StyleT (TUBULAR)
Emitted Light CharacteristicCOLORLESS
Base StyleMINIATURE SCREW
Bulb Light Transmission CharacteristicTRANSPARENT
Current Rating for Which Designed0.170 AMPERES NOMINAL
Wattage Rating4.080 WATTS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-114-08991477 INTERCHANGEABLE
Valve,flow Control
Alter Harry Co the Div of T E C
4210-00-117-00550042-0P-5-1-14-002 INTERCHANGEABLE
Bracket,clamping
Akron Brass Company
5999-00-212-48201816A INTERCHANGEABLE
Arm,pick-Up
Naval Inventory Control Point Mechanicsburg
5940-00-259-7941 INTERCHANGEABLE
Terminal,lug
5925-00-383-2298B19.5 INTERCHANGEABLE
Thermal Release,circuit Breaker
Schneider Electric Usa, Inc.
3030-00-529-0301 INTERCHANGEABLE
Belt,v
5950-00-547-8304681593 INTERCHANGEABLE
Reactor
Lockheed Martin Corporation Div Rms - Mitchel Field
5930-00-738-13131477 INTERCHANGEABLE
Switch,rotary
Janco Corporation Dba Janco Corp Div Mason Controls
4720-00-782-54541477 INTERCHANGEABLE
Hose Assembly,metallic
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
4810-00-875-31931477 INTERCHANGEABLE
Piston,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
1477 Inter-Market Inc (USA)
1477 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
BX19-5 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
VARIABLE PRICING Dla Aviation Engineering Div Department of Defense (USA)
1477 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
1477 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
B19-5 PRIMARY Raytheon Company Dba Raytheon Co (USA)
2Z5958 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
BX19-5 Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div (USA)
6240PL1364880 Jednolity Indeks Materialowy - Uniform Material Index (POL)
87-0354 Finnigan Corporation (USA)
LMK8 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
1477 Daycoa Inc (USA)
BX19-5 Bendix Corp the (USA)
1477 General Electric Company (USA)
1477 General Electric Co Lamp Division of Consumer Products Group (USA)
Related Parts
4820-00-114-0899INTERCHANGEABLE
VALVE,FLOW CONTROL
1477
4210-00-117-0055INTERCHANGEABLE
BRACKET,CLAMPING
0042-0P-5-1-14-002
5999-00-212-4820INTERCHANGEABLE
ARM,PICK-UP
1816A
5940-00-259-7941INTERCHANGEABLE
TERMINAL,LUG
5925-00-383-2298INTERCHANGEABLE
THERMAL RELEASE,CIRCUIT BREAKER
B19.5
3030-00-529-0301INTERCHANGEABLE
BELT,V
5950-00-547-8304INTERCHANGEABLE
REACTOR
681593
5930-00-738-1313INTERCHANGEABLE
SWITCH,ROTARY
1477
4720-00-782-5454INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
1477
4810-00-875-3193INTERCHANGEABLE
PISTON,VALVE
1477
5970-01-033-9596INTERCHANGEABLE
INSULATOR,PLATE
1477
9340-01-067-3337INTERCHANGEABLE
WINDOW,OBSERVATION
1477

Frequently Asked Questions

What is NSN 6240-00-155-7964?

NSN 6240-00-155-7964 is a Lamp,incandescent, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-155-7964?

NSN 6240-00-155-7964 has 16 cross-referenced part numbers: 1477 (Inter-Market Inc), 1477 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), BX19-5 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), VARIABLE PRICING (Dla Aviation Engineering Div Department of Defense), 1477 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company) and 11 more.

What NSN replaces 6240-00-155-7964?

There are 12 known substitutes for 6240-00-155-7964: 4820-00-114-0899, 4210-00-117-0055, 5999-00-212-4820 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B19-5?

Key specifications for B19-5: Filament Designation: C-2V V; Bulb Designator: T-3; Average Life Rating in Hours: 250.0; Voltage Rating: 24.000 VOLTS NOMINAL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-155-7964 still in active supply?

NSN 6240-00-155-7964 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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