PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12-503Lamp,cartridge

Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron · NSN 6240-00-465-8574 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-465-8574 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-465-8574. Primary manufacturer part number: 12-503.
Features
  • Lamp,cartridge — FSC 6240
  • Lens Color: COLORLESS
  • Current Rating for Which Designed: 0.040 AMPERES NOMINAL
  • Voltage Rating: 6.000 VOLTS NOMINAL
  • Rated Average Life: HOURS
  • Average Life Rating in Hours: 10000.0
  • Base Style: CARTRIDGE TWO PIN POLARIZED
  • Lens Light Transmission Characteristic: TRANSPARENT
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Plastic Lens construction
General Description

The Lamp,cartridge, cataloged under National Stock Number 6240-00-465-8574, 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 1 commercial cross-reference from 1 manufacturer, 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
NSN6240-00-465-8574
Primary Part Number12-503
Item NameLamp,cartridge
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerChicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
StatusACTIVE
Lens ColorCOLORLESS
Current Rating for Which Designed0.040 AMPERES NOMINAL
Voltage Rating6.000 VOLTS NOMINAL
Rated Average LifeHOURS
Average Life Rating in Hours10000.0
Base StyleCARTRIDGE TWO PIN POLARIZED
Lens Light Transmission CharacteristicTRANSPARENT
Cartridge Overall Length0.938 INCHES NOMINAL IN
MaterialPLASTIC LENS
Cartridge StyleFLUSH
Primary Lamp TypeINCANDESCENT
Cartridge Overall Diameter0.344 INCHES NOMINAL IN
MaterialALUMINUM SLEEVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5975-00-030-2985 INTERCHANGEABLE
Rod,ground
6240-00-155-7900 INTERCHANGEABLE
Lamp,incandescent
5360-00-201-1379346194PC3 INTERCHANGEABLE
Spring,helical,compression
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5133-00-236-4099 INTERCHANGEABLE
Drill,twist
5910-00-617-37649060134 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Us Army Aviation and Missile Command
5330-00-814-6675600-0102-3/8 INTERCHANGEABLE
Packing with Retainer
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
4730-01-129-287512503 INTERCHANGEABLE
Strainer,sediment
Clayton Manufacturing Company
6685-01-271-39931250300 INTERCHANGEABLE
Thermometer,self-Indicating,bime
Phoenix Products Llc Dba Phoenix Lighting Products Llc
4330-01-284-6203 INTERCHANGEABLE
Filter Element,fluid
5310-01-347-377412503 INTERCHANGEABLE
Washer,lock
Bourns Inc
Cross-Reference Index
Part NumberManufacturer
12-503 PRIMARY Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
Related Parts
5975-00-030-2985INTERCHANGEABLE
ROD,GROUND
6240-00-155-7900INTERCHANGEABLE
LAMP,INCANDESCENT
5360-00-201-1379INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
346194PC3
5133-00-236-4099INTERCHANGEABLE
DRILL,TWIST
5910-00-617-3764INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
9060134
5330-00-814-6675INTERCHANGEABLE
PACKING WITH RETAINER
600-0102-3/8
4730-01-129-2875INTERCHANGEABLE
STRAINER,SEDIMENT
12503
6685-01-271-3993INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
1250300
4330-01-284-6203INTERCHANGEABLE
FILTER ELEMENT,FLUID
5310-01-347-3774INTERCHANGEABLE
WASHER,LOCK
12503
6240-01-393-4039INTERCHANGEABLE
LAMP,INCANDESCENT
32C-011
6515-01-577-5401INTERCHANGEABLE
SCREW,BONE
280.200

Frequently Asked Questions

What is NSN 6240-00-465-8574?

NSN 6240-00-465-8574 is a Lamp,cartridge, 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 6240-00-465-8574?

NSN 6240-00-465-8574 has 1 cross-referenced part number: 12-503 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron).

What NSN replaces 6240-00-465-8574?

There are 12 known substitutes for 6240-00-465-8574: 5975-00-030-2985, 6240-00-155-7900, 5360-00-201-1379 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12-503?

Key specifications for 12-503: Lens Color: COLORLESS; Current Rating for Which Designed: 0.040 AMPERES NOMINAL; Voltage Rating: 6.000 VOLTS NOMINAL; Rated Average Life: HOURS. 13 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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