PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CM333Lamp,incandescent

Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron · NSN 6240-00-999-6645 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-999-6645 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-999-6645. Primary manufacturer part number: CM333.
Features
  • Lamp,incandescent — FSC 6240
  • 8 verified cross-references
  • Primary manufacturer: Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-999-6645, 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. This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameLamp,incandescent
FSC / FSG6240 — No Item Name Available (FSG 62)
ManufacturersIndustrial Electronic Engineers, Inc. (CAGE 05464); Mcdonnell Douglas Aerospace Services Co (CAGE 0WW65); Dukane Seacom, Inc. Dba Dukane Seacom Inc (CAGE 94970); Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (CAGE 71744); Lamptronix Co Ltd (CAGE 61342)
Technical Specifications
ParameterValue
NSN6240-00-999-6645
Primary Part NumberCM333
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerChicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-053-1808 INTERCHANGEABLE
Mirror,inspection
5306-00-066-6081CM333 INTERCHANGEABLE
Bolt,cam
Simmons Fastener Corp an Amfast Corp
4720-00-203-64023209295-24-160-6 INTERCHANGEABLE
Hose,air Duct
Arrowhead Products Corp
5930-00-285-61622922537-2 INTERCHANGEABLE
Switch,code Indicating Wheel
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5340-00-383-959513156H INTERCHANGEABLE
Cover,access
Navistar Intl Corp Truck Br Ohio Plant
2825-00-388-12002840 INTERCHANGEABLE
Ring,seal Oil
Westinghouse Electric Corp
3030-00-528-4746 INTERCHANGEABLE
Belt,v
5930-00-636-4625SM-C-145036 INTERCHANGEABLE
Switch Section,rotary
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6250-00-754-07962840 INTERCHANGEABLE
Adapter,lampholder
Bosch Security Systems, Llc
5915-01-014-3339XBP11/312.5-X175-8AA INTERCHANGEABLE
Filter,band Pass
William Wheeler Dba Filtek
Cross-Reference Index
Part NumberManufacturer
333 Industrial Electronic Engineers, Inc. (USA)
XL50295 Mcdonnell Douglas Aerospace Services Co (USA)
456-83 Dukane Seacom, Inc. Dba Dukane Seacom Inc (USA)
CM333 PRIMARY Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
2840 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
LTX333 PRIMARY Lamptronix Co Ltd (USA)
65R06570A-06 Motorola Communications Group Parts Dept Div of Motorola Inc (USA)
333 C E C Industries, Ltd (USA)
Related Parts
5120-00-053-1808INTERCHANGEABLE
MIRROR,INSPECTION
5306-00-066-6081INTERCHANGEABLE
BOLT,CAM
CM333
4720-00-203-6402INTERCHANGEABLE
HOSE,AIR DUCT
3209295-24-160-6
5930-00-285-6162INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
2922537-2
5340-00-383-9595INTERCHANGEABLE
COVER,ACCESS
13156H
2825-00-388-1200INTERCHANGEABLE
RING,SEAL OIL
2840
3030-00-528-4746INTERCHANGEABLE
BELT,V
5930-00-636-4625INTERCHANGEABLE
SWITCH SECTION,ROTARY
SM-C-145036
6250-00-754-0796INTERCHANGEABLE
ADAPTER,LAMPHOLDER
2840
5915-01-014-3339INTERCHANGEABLE
FILTER,BAND PASS
XBP11/312.5-X175-8AA
5365-01-070-8737INTERCHANGEABLE
SPACER
2840
5360-01-106-7748INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
C0420-045-0500S

Frequently Asked Questions

What is NSN 6240-00-999-6645?

NSN 6240-00-999-6645 is a Lamp,incandescent, manufactured by Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-999-6645?

NSN 6240-00-999-6645 has 8 cross-referenced part numbers: 333 (Industrial Electronic Engineers, Inc.), XL50295 (Mcdonnell Douglas Aerospace Services Co), 456-83 (Dukane Seacom, Inc. Dba Dukane Seacom Inc), CM333 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 2840 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron) and 3 more.

What NSN replaces 6240-00-999-6645?

There are 12 known substitutes for 6240-00-999-6645: 5120-00-053-1808, 5306-00-066-6081, 4720-00-203-6402 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 6240-00-999-6645 still in active supply?

NSN 6240-00-999-6645 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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