PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

549629PC12Lamp,incandescent

Naval Ship Systems Command · NSN 6240-00-155-7888 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-155-7888 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-155-7888. Primary manufacturer part number: 549629PC12.
Features
  • Lamp,incandescent — FSC 6240
  • Average Life Rating in Hours: 10.0
  • Bulb Designator: G-3 1/2
  • Emitted Light Characteristic: COLORLESS
  • Rated Average Life: HOURS
  • Wattage Rating: 0.375 WATTS
  • Base Style: MINIATURE SCREW
  • Current Rating for Which Designed: 0.300 AMPERES NOMINAL
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-155-7888, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 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
NSN6240-00-155-7888
Primary Part Number549629PC12
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusCANCELLED
Average Life Rating in Hours10.0
Bulb DesignatorG-3 1/2
Emitted Light CharacteristicCOLORLESS
Rated Average LifeHOURS
Wattage Rating0.375 WATTS
Base StyleMINIATURE SCREW
Current Rating for Which Designed0.300 AMPERES NOMINAL
Light Center Length0.720 INCHES NOMINAL IN
Light Output Rating0.100 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Bulb StyleG (GLOBULAR)
Bulb Light Transmission CharacteristicTRANSPARENT
Filament DesignationS-2
Filament Heavy Duty Service RatingNOT RATED
Voltage Rating1.250 VOLTS NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5130-00-119-4281S12-3 INTERCHANGEABLE
Cylinder
Ingersoll Rand Co Athens Plant
6760-00-232-2731 INTERCHANGEABLE
Lens,projection
5999-00-256-1627 INTERCHANGEABLE
Clip,electrical
5360-00-292-4214 INTERCHANGEABLE
Spring,helical,compression
5330-00-346-3594S12604-119 INTERCHANGEABLE
Retainer,packing
Trelleborg Sealing Solutions Us, Inc.
5331-00-584-0263101-02300 INTERCHANGEABLE
O-Ring
Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems
5325-00-598-2337 INTERCHANGEABLE
Ring,retaining
5365-00-657-4441S123 INTERCHANGEABLE
Spacer,ring
Dana Corp Spicer Transmission Div
9540-00-727-5788 INTERCHANGEABLE
Angle,structural
5905-00-858-365516-340001 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Psi-Peripheral Support
Cross-Reference Index
Part NumberManufacturer
123 General Electric Company (USA)
S-123 Shokai Far East, Ltd. (USA)
123 General Electric Co Lamp Division of Consumer Products Group (USA)
123SBC Startrite Inc (USA)
P44051 Delta Electric Div Halle Industries Inc (USA)
123 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
123 Inter-Market Inc (USA)
123 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
100-218 Zenith Electronics Corporation (USA)
549629PC12 PRIMARY Naval Ship Systems Command (USA)
P1433-12 PRIMARY L3 Technologies, Inc. Div L3 Keo (USA)
ML123 Micro Lamps Inc. (USA)
123 Kavco Inc (USA)
87-0071 Finnigan Corporation (USA)
123 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
Related Parts
5130-00-119-4281INTERCHANGEABLE
CYLINDER
S12-3
6760-00-232-2731INTERCHANGEABLE
LENS,PROJECTION
5999-00-256-1627INTERCHANGEABLE
CLIP,ELECTRICAL
5360-00-292-4214INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5330-00-346-3594INTERCHANGEABLE
RETAINER,PACKING
S12604-119
5331-00-584-0263INTERCHANGEABLE
O-RING
101-02300
5325-00-598-2337INTERCHANGEABLE
RING,RETAINING
5365-00-657-4441INTERCHANGEABLE
SPACER,RING
S123
9540-00-727-5788INTERCHANGEABLE
ANGLE,STRUCTURAL
5905-00-858-3655INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
16-340001
5840-00-971-5810INTERCHANGEABLE
CONTROL,SENSIVITY T
100218
5910-01-044-5617INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC

Frequently Asked Questions

What is NSN 6240-00-155-7888?

NSN 6240-00-155-7888 is a Lamp,incandescent, manufactured by Naval Ship Systems Command, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-155-7888?

NSN 6240-00-155-7888 has 15 cross-referenced part numbers: 123 (General Electric Company), S-123 (Shokai Far East, Ltd.), 123 (General Electric Co Lamp Division of Consumer Products Group), 123SBC (Startrite Inc), P44051 (Delta Electric Div Halle Industries Inc) and 10 more.

What NSN replaces 6240-00-155-7888?

There are 12 known substitutes for 6240-00-155-7888: 5130-00-119-4281, 6760-00-232-2731, 5999-00-256-1627 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 549629PC12?

Key specifications for 549629PC12: Average Life Rating in Hours: 10.0; Bulb Designator: G-3 1/2; Emitted Light Characteristic: COLORLESS; Rated Average Life: HOURS. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-155-7888 still in active supply?

NSN 6240-00-155-7888 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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