PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CM7376Lamp,incandescent

Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron · NSN 6240-00-499-6278 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-499-6278 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-499-6278. Primary manufacturer part number: CM7376.
Features
  • Lamp,incandescent — FSC 6240
  • Light Output Rating: 0.650 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
  • Filament Heavy Duty Service Rating: NOT RATED
  • Rated Average Life: HOURS
  • Bulb Designator: T-1 3/4
  • Wattage Rating: 1.820 WATTS
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Average Life Rating in Hours: 5000.0
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-499-6278, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-499-6278
Primary Part NumberCM7376
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerChicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
StatusACTIVE
Light Output Rating0.650 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Filament Heavy Duty Service RatingNOT RATED
Rated Average LifeHOURS
Bulb DesignatorT-1 3/4
Wattage Rating1.820 WATTS
Bulb Light Transmission CharacteristicTRANSPARENT
Average Life Rating in Hours5000.0
Voltage Rating28.000 VOLTS NOMINAL
Current Rating for Which Designed0.065 AMPERES NOMINAL
Bulb StyleTL (TUBULAR, LENS END)
Base StyleSUB-MINIATURE TWO PIN
Light Center Length0.500 INCHES NOMINAL IN
Filament DesignationC-2F
Emitted Light CharacteristicWHITE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4820-00-036-2470 INTERCHANGEABLE
Diaphragm,valve,flat
6645-00-163-05467376 INTERCHANGEABLE
Wheel Assembly
The Chelsea Clock Llc
5330-00-196-5385 INTERCHANGEABLE
Packing,preformed
3020-00-367-2879 INTERCHANGEABLE
Gear,worm Wheel
5120-00-545-4372T42 INTERCHANGEABLE
Tire Iron
Summit Tool Company
5950-00-688-6932 INTERCHANGEABLE
Transformer,audio Frequency
6240-01-032-6598 INTERCHANGEABLE
Lamp,incandescent
6510-01-036-90647376 INTERCHANGEABLE
Bandage,cast,impregnated
Bsn Medical Inc
8305-01-487-0018 INTERCHANGEABLE
Cloth,impregnated
4730-01-617-20387376 INTERCHANGEABLE
Adapter,straight,pipe to Boss
Independent Rough Terrain Center Llc
Cross-Reference Index
Part NumberManufacturer
CM7376 PRIMARY Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
7376 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
Related Parts
4820-00-036-2470INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
6645-00-163-0546INTERCHANGEABLE
WHEEL ASSEMBLY
7376
5330-00-196-5385INTERCHANGEABLE
PACKING,PREFORMED
3020-00-367-2879INTERCHANGEABLE
GEAR,WORM WHEEL
5120-00-545-4372INTERCHANGEABLE
TIRE IRON
T42
5950-00-688-6932INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
6240-01-032-6598INTERCHANGEABLE
LAMP,INCANDESCENT
6510-01-036-9064INTERCHANGEABLE
BANDAGE,CAST,IMPREGNATED
7376
8305-01-487-0018INTERCHANGEABLE
CLOTH,IMPREGNATED
4730-01-617-2038INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO BOSS
7376

Frequently Asked Questions

What is NSN 6240-00-499-6278?

NSN 6240-00-499-6278 is a Lamp,incandescent, manufactured by Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-499-6278?

NSN 6240-00-499-6278 has 2 cross-referenced part numbers: CM7376 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 7376 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps).

What NSN replaces 6240-00-499-6278?

There are 10 known substitutes for 6240-00-499-6278: 4820-00-036-2470, 6645-00-163-0546, 5330-00-196-5385 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CM7376?

Key specifications for CM7376: Light Output Rating: 0.650 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING; Filament Heavy Duty Service Rating: NOT RATED; Rated Average Life: HOURS; Bulb Designator: T-1 3/4. 15 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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