PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CM7351Lamp,incandescent

Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron · NSN 6240-01-121-3561 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-121-3561 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-121-3561. Primary manufacturer part number: CM7351.
Features
  • Lamp,incandescent — FSC 6240
  • Voltage Rating: 6.300 VOLTS NOMINAL
  • Bulb Style: T (TUBULAR)
  • Filament Heavy Duty Service Rating: NOT RATED
  • Emitted Light Characteristic: COLORLESS
  • Current Rating for Which Designed: 0.040 AMPERES NOMINAL
  • Bulb Designator: T-1 3/4
  • Average Life Rating in Hours: 2000.0
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-121-3561, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN6240-01-121-3561
Primary Part NumberCM7351
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerChicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
StatusACTIVE
Voltage Rating6.300 VOLTS NOMINAL
Bulb StyleT (TUBULAR)
Filament Heavy Duty Service RatingNOT RATED
Emitted Light CharacteristicCOLORLESS
Current Rating for Which Designed0.040 AMPERES NOMINAL
Bulb DesignatorT-1 3/4
Average Life Rating in Hours2000.0
Bulb Light Transmission CharacteristicTRANSPARENT
Wattage Rating0.252 WATTS
Light Output Rating0.020 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Filament DesignationC-2V V
Base StyleMIDGET GROOVED
Rated Average LifeHOURS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-080-9644A2612 INTERCHANGEABLE
Cross,tube
Mueller Brass Co.
5975-00-228-67197351 INTERCHANGEABLE
Panel,blank
Cummins Power Generation Inc.
5935-00-259-6712 INTERCHANGEABLE
Connector,plug,electrical
2530-00-359-0351FD7351 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
6760-00-926-52837351 INTERCHANGEABLE
Adapter,photographic Roll Film
Cambo Fotografische Industrie B.v.
4730-01-132-95287351 INTERCHANGEABLE
Gland,pipe
Abb Installation Products Inc
4210-01-140-22337351 INTERCHANGEABLE
Extinguisher,fire
Amerex Corporation Dba Amerex Corp
3415-01-212-64687351 INTERCHANGEABLE
Grinding and Buffing Machine,uti
Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.
5360-01-231-041911761 INTERCHANGEABLE
Spring Detent
O F Mossberg & Sons Inc
4520-01-264-0609BGS725A7-E2 INTERCHANGEABLE
Heating Element,electrical,immer
Watlow Electric Manufacturing Co Dba Watlow
Cross-Reference Index
Part NumberManufacturer
CM7351 PRIMARY Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
7351 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
7351 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
7351 Gte Products Corp Lighting Products Group Hillsboro Miniature Lamp Plant (USA)
7351 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
Related Parts
4730-00-080-9644INTERCHANGEABLE
CROSS,TUBE
A2612
5975-00-228-6719INTERCHANGEABLE
PANEL,BLANK
7351
5935-00-259-6712INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2530-00-359-0351INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
FD7351
6760-00-926-5283INTERCHANGEABLE
ADAPTER,PHOTOGRAPHIC ROLL FILM
7351
4730-01-132-9528INTERCHANGEABLE
GLAND,PIPE
7351
4210-01-140-2233INTERCHANGEABLE
EXTINGUISHER,FIRE
7351
3415-01-212-6468INTERCHANGEABLE
GRINDING AND BUFFING MACHINE,UTI
7351
5360-01-231-0419INTERCHANGEABLE
SPRING DETENT
11761
4520-01-264-0609INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,IMMER
BGS725A7-E2
5930-01-264-4975INTERCHANGEABLE
SWITCH,LIQUID LEVEL
15-650-PP
5985-01-415-5785INTERCHANGEABLE
DIPLEXER
7-351

Frequently Asked Questions

What is NSN 6240-01-121-3561?

NSN 6240-01-121-3561 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 6240-01-121-3561?

NSN 6240-01-121-3561 has 5 cross-referenced part numbers: CM7351 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 7351 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 7351 (American National Standards Institute Incorporated Dba American National Standards Institute), 7351 (Gte Products Corp Lighting Products Group Hillsboro Miniature Lamp Plant), 7351 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron).

What NSN replaces 6240-01-121-3561?

There are 12 known substitutes for 6240-01-121-3561: 4730-00-080-9644, 5975-00-228-6719, 5935-00-259-6712 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CM7351?

Key specifications for CM7351: Voltage Rating: 6.300 VOLTS NOMINAL; Bulb Style: T (TUBULAR); Filament Heavy Duty Service Rating: NOT RATED; Emitted Light Characteristic: COLORLESS. 14 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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