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PartsTable / COMPONENT / M3661/54 LC40YN 3
M3661/54 LC40YN 3 ✓ 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 M3661/54 LC40YN 3 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-00-752-2141, 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
M3661/54 LC40YN 3
NSN: 6210-00-752-2141
FSC: 6210
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part NumberM3661/54 LC40YN 3
NSN6210-00-752-2141
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available M3661/54 LC40YN 3 TITLE COMPONENT PN M3661/54 LC40YN 3 MFR M3661/54 LC40YN 3
KEY FEATURES
•
THREAD QUANTITY: 28 PER INCH
•
MOUNTING METHOD: INTERNAL THREAD
•
THREAD DIAMETER: 0.875 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
EFFECTIVE DIAMETER: 0.700 INCHES NOMINAL IN
•
MATERIAL: PLASTIC LENS
•
THREAD SERIES: UNS
•
LIGHT TRANSMISSION DESIGN: TRANSPARENT LENS
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY28 PER INCH
MOUNTING METHODINTERNAL THREAD
THREAD DIAMETER0.875 INCHES IN
THREAD DIRECTIONRIGHT-HAND
EFFECTIVE DIAMETER0.700 INCHES NOMINAL IN
MATERIALPLASTIC LENS
THREAD SERIESUNS
LIGHT TRANSMISSION DESIGNTRANSPARENT LENS
COLORYELLOW LENS
MOUNTING DEVICE QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
MIL-L-3661/54Interchangeable
interchangeable cross-reference
interchangeable
LC40TN3Interchangeable
interchangeable cross-reference
interchangeable
MS17128-7Interchangeable
interchangeable cross-reference
interchangeable
288A896AEP14Interchangeable
interchangeable cross-reference
interchangeable
22839PIECE24Interchangeable
interchangeable cross-reference
interchangeable
PMI2GInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M3661/54 LC40YN 3?
M3661/54 LC40YN 3 is a M3661/54 LC40YN 3.
What parts can replace M3661/54 LC40YN 3?
There are 26 known substitutes for M3661/54 LC40YN 3: MIL-L-3661/54, LC40TN3, MS17128-7 and 23 more. Substitute compatibility should be verified for your specific system.
Is M3661/54 LC40YN 3 still available?
M3661/54 LC40YN 3 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026