PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27Lamp,incandescent

Communication Systems Div North American Philips Corp · NSN 6240-00-155-8671 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-155-8671 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-155-8671. Primary manufacturer part number: 27.
Features
  • Lamp,incandescent — FSC 6240
  • Rated Average Life: HOURS
  • Light Center Length: 0.720 INCHES NOMINAL IN
  • Bulb Designator: G-4 1/2
  • Filament Heavy Duty Service Rating: NOT RATED
  • Light Output Rating: 1.400 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
  • Base Style: MINIATURE SCREW
  • Emitted Light Characteristic: COLORLESS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-155-8671, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Communication Systems Div North American Philips Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 16 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
NSN6240-00-155-8671
Primary Part Number27
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerCommunication Systems Div North American Philips Corp
StatusCANCELLED
Rated Average LifeHOURS
Light Center Length0.720 INCHES NOMINAL IN
Bulb DesignatorG-4 1/2
Filament Heavy Duty Service RatingNOT RATED
Light Output Rating1.400 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Base StyleMINIATURE SCREW
Emitted Light CharacteristicCOLORLESS
Wattage Rating1.470 WATTS
Voltage Rating4.900 VOLTS NOMINAL
Current Rating for Which Designed0.300 AMPERES NOMINAL
Filament DesignationC-2R
Bulb Light Transmission CharacteristicTRANSPARENT
Bulb StyleG (GLOBULAR)
Average Life Rating in Hours30.0
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-078-1675A1002 INTERCHANGEABLE
Semiconductor Device,diode
Avago Technologies Us Inc Div Avago Technologies
3040-00-125-9315296AX INTERCHANGEABLE
Ball Joint
Oshkosh Defense Llc
3930-00-140-3875A100-Z INTERCHANGEABLE
Adapter,reservoir
Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control
1660-00-166-6186A100-2 INTERCHANGEABLE
Cap,body,first Stag
Essex Industries, Inc. Dba Essex Industries
5935-00-198-4304PL20-1 INTERCHANGEABLE
Connector,plug,electrical
Trompeter Electronics, Inc.
2815-00-353-0101A1002 INTERCHANGEABLE
Body
Asrc Federal Facilities Logistics, Llc
5930-00-401-7751 INTERCHANGEABLE
Switch,mercury
5905-00-518-8536 INTERCHANGEABLE
Resistor,thermal
1650-00-604-8523S1565-64171-000 INTERCHANGEABLE
Support,servo Unit
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
2530-00-769-648720B62 INTERCHANGEABLE
Brake Drum
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
Cross-Reference Index
Part NumberManufacturer
27 Communication Systems Div North American Philips Corp (USA)
GE27USA Elfa Elementenfabriek B.v. (NLD)
27 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
27 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
W-L-111 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
27 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
LM201U Joint Electronics Type Designation System (USA)
27 Cooper Industries Inc Champion Aviation Products (USA)
87-0311 Finnigan Corporation (USA)
110-105-002 Zf Industrieantriebe Witten Gmbh (DEU)
PL27 Precision Lamp Inc (USA)
A1002 The Biro Manufacturing Company (USA)
6240PL1337522 Jednolity Indeks Materialowy - Uniform Material Index (POL)
LTX27 Lamptronix Co Ltd (USA)
27 Inter-Market Inc (USA)
P44067 Delta Electric Div Halle Industries Inc (USA)
Related Parts
5961-00-078-1675INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
A1002
3040-00-125-9315INTERCHANGEABLE
BALL JOINT
296AX
3930-00-140-3875INTERCHANGEABLE
ADAPTER,RESERVOIR
A100-Z
1660-00-166-6186INTERCHANGEABLE
CAP,BODY,FIRST STAG
A100-2
5935-00-198-4304INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
PL20-1
2815-00-353-0101INTERCHANGEABLE
BODY
A1002
5930-00-401-7751INTERCHANGEABLE
SWITCH,MERCURY
5905-00-518-8536INTERCHANGEABLE
RESISTOR,THERMAL
1650-00-604-8523INTERCHANGEABLE
SUPPORT,SERVO UNIT
S1565-64171-000
2530-00-769-6487INTERCHANGEABLE
BRAKE DRUM
20B62
5999-01-126-3216INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
74A720652-1001
3040-01-190-1118INTERCHANGEABLE
BALL JOINT

Frequently Asked Questions

What is NSN 6240-00-155-8671?

NSN 6240-00-155-8671 is a Lamp,incandescent, manufactured by Communication Systems Div North American Philips Corp, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-155-8671?

NSN 6240-00-155-8671 has 16 cross-referenced part numbers: 27 (Communication Systems Div North American Philips Corp), GE27USA (Elfa Elementenfabriek B.v.), 27 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 27 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), W-L-111 (Federal Specifications Promulgated by General Services Administration Washington DC) and 11 more.

What NSN replaces 6240-00-155-8671?

There are 12 known substitutes for 6240-00-155-8671: 5961-00-078-1675, 3040-00-125-9315, 3930-00-140-3875 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27?

Key specifications for 27: Rated Average Life: HOURS; Light Center Length: 0.720 INCHES NOMINAL IN; Bulb Designator: G-4 1/2; Filament Heavy Duty Service Rating: NOT RATED. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-155-8671 still in active supply?

NSN 6240-00-155-8671 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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