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PartsTable / COMPONENT / M3661/25-LC25CN2
M3661/25-LC25CN2 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The M3661/25-LC25CN2 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-01-434-4578, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
M3661/25-LC25CN2
NSN: 6210-01-434-4578
FSC: 6210
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM3661/25-LC25CN2
NSN6210-01-434-4578
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available M3661/25-LC25CN2 TITLE COMPONENT PN M3661/25-LC25CN2 MFR M3661/25-LC25CN2
KEY FEATURES
•
LIGHT TRANSMISSION DESIGN: TRANSPARENT LENS
•
STYLE DESIGNATOR: FLAT
•
TEST DATA DOCUMENT: 81349-MIL-L-3661 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
EFFECTIVE DIAMETER: 11.9 MILLIMETERS NOMINAL MM
•
MATERIAL: PLASTIC BASE
•
THREAD CLASS: 2A A
•
THREAD QUANTITY: 32 PER INCH
TECHNICAL CHARACTERISTICS (FLIS)
LIGHT TRANSMISSION DESIGNTRANSPARENT LENS
STYLE DESIGNATORFLAT
TEST DATA DOCUMENT81349-MIL-L-3661 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
OVERALL LENGTH18.2 MILLIMETERS NOMINAL MM
EFFECTIVE DIAMETER11.9 MILLIMETERS NOMINAL MM
MATERIALPLASTIC BASE
THREAD CLASS2A A
THREAD QUANTITY32 PER INCH
THREAD SERIESUNEF
MOUNTING METHODTHREAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
877082-00Interchangeable
interchangeable cross-reference
interchangeable
MIL-L-3661/25Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-3661/25Interchangeable
interchangeable cross-reference
interchangeable
239-0375-500Interchangeable
interchangeable cross-reference
interchangeable
10150024Interchangeable
interchangeable cross-reference
interchangeable
RM72BWTInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M3661/25-LC25CN2?
M3661/25-LC25CN2 is a M3661/25-LC25CN2.
What parts can replace M3661/25-LC25CN2?
There are 21 known substitutes for M3661/25-LC25CN2: 877082-00, MIL-L-3661/25, MIL-DTL-3661/25 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M3661/25-LC25CN2?
M3661/25-LC25CN2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-01-434-4578. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026