PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

502Lamp,incandescent

Communication Systems Div North American Philips Corp · NSN 6240-00-155-8681 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-155-8681 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-155-8681. Primary manufacturer part number: 502.
Features
  • Lamp,incandescent — FSC 6240
  • Specification/standard Data: 08108-502 MANUFACTURERS STANDARD
  • Emitted Light Characteristic: WHITE
  • Bulb Designator: G-4 1/2
  • Light Output Rating: 0.600 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
  • Current Rating for Which Designed: 0.150 AMPERES NOMINAL
  • Voltage Rating: 5.100 VOLTS NOMINAL
  • Wattage Rating: 0.765 WATTS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-155-8681, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-155-8681
Primary Part Number502
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerCommunication Systems Div North American Philips Corp
StatusACTIVE
Specification/standard Data08108-502 MANUFACTURERS STANDARD
Emitted Light CharacteristicWHITE
Bulb DesignatorG-4 1/2
Light Output Rating0.600 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Current Rating for Which Designed0.150 AMPERES NOMINAL
Voltage Rating5.100 VOLTS NOMINAL
Wattage Rating0.765 WATTS
Rated Average LifeHOURS
Bulb StyleG (GLOBULAR)
Base StyleMINIATURE SCREW
Average Life Rating in Hours100.0
Light Center Length0.720 INCHES NOMINAL IN
Filament Heavy Duty Service RatingNOT RATED
Bulb Light Transmission CharacteristicTRANSPARENT
Filament DesignationC-2R
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5915-00-136-6360A1015 INTERCHANGEABLE
Filter,radio Frequency Interfere
The Captor Corporation
2805-00-632-4366S-502 INTERCHANGEABLE
Connecting Rod,piston
Saylor-Beall Manufacturing Company
5990-00-842-6947 INTERCHANGEABLE
Synchro,transmitter
5999-00-901-2160 INTERCHANGEABLE
Delay Line
3110-00-966-7467 INTERCHANGEABLE
Ring,bearing,inner
5120-01-003-1493A1015 INTERCHANGEABLE
Puller Set,mechanical
Real-Time Laboratories, Llc
6230-01-027-3556XP-1015 INTERCHANGEABLE
Hook,rigid
Stewart R. Browne Mfg. Co., Inc.
6640-01-073-8444 INTERCHANGEABLE
Distilling Apparatus,laboratory
4730-01-074-6364S502 INTERCHANGEABLE
Coupling Half,quick Disconnect
Amfs American Fleet Services
5340-01-086-4248 INTERCHANGEABLE
Disk,mounting Pad
Cross-Reference Index
Part NumberManufacturer
502 Communication Systems Div North American Philips Corp (USA)
87-0382 Finnigan Corporation (USA)
502 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
502 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
611774-5 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
502 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
P44037 Delta Electric Div Halle Industries Inc (USA)
502 Inter-Market Inc (USA)
A1015 Payne F S Co (USA)
LTX502 Lamptronix Co Ltd (USA)
221460 General Motors Corp (USA)
221460 Army Weapons Command Attn Amswe-Ree-S (USA)
S-502 Shokai Far East, Ltd. (USA)
LM202U Joint Electronics Type Designation System (USA)
Related Parts
5915-00-136-6360INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
A1015
2805-00-632-4366INTERCHANGEABLE
CONNECTING ROD,PISTON
S-502
5990-00-842-6947INTERCHANGEABLE
SYNCHRO,TRANSMITTER
5999-00-901-2160INTERCHANGEABLE
DELAY LINE
3110-00-966-7467INTERCHANGEABLE
RING,BEARING,INNER
5120-01-003-1493INTERCHANGEABLE
PULLER SET,MECHANICAL
A1015
6230-01-027-3556INTERCHANGEABLE
HOOK,RIGID
XP-1015
6640-01-073-8444INTERCHANGEABLE
DISTILLING APPARATUS,LABORATORY
4730-01-074-6364INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
S502
5340-01-086-4248INTERCHANGEABLE
DISK,MOUNTING PAD
4730-01-204-7042INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
SM-502-8FP
4730-01-336-9674INTERCHANGEABLE
CUP,GREASE
2-21460

Frequently Asked Questions

What is NSN 6240-00-155-8681?

NSN 6240-00-155-8681 is a Lamp,incandescent, manufactured by Communication Systems Div North American Philips Corp, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-155-8681?

NSN 6240-00-155-8681 has 14 cross-referenced part numbers: 502 (Communication Systems Div North American Philips Corp), 87-0382 (Finnigan Corporation), 502 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 502 (General Electric Co Miniature Lamp Products Dept Lighting Business Group), 611774-5 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl) and 9 more.

What NSN replaces 6240-00-155-8681?

There are 12 known substitutes for 6240-00-155-8681: 5915-00-136-6360, 2805-00-632-4366, 5990-00-842-6947 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 502?

Key specifications for 502: Specification/standard Data: 08108-502 MANUFACTURERS STANDARD; Emitted Light Characteristic: WHITE; Bulb Designator: G-4 1/2; Light Output Rating: 0.600 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING. 16 total characteristics are documented in the Federal Logistics Information System.

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