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Technical Data Sheet
PartsTable / COMPONENT / MIL-DTL-3661
MIL-DTL-3661 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include color: WHITE LENS, material: COPPER ALLOY BODY, lens_type: DOME, KNURLED, INTERNAL THREAD SINGLE LIGHT FIRST POSITION HORIZONTAL, base_style: CARTRIDGE TWO PIN POLARIZED, body_style: STRAIGHT SHAPE, lens_color: GREEN, AVIATION SINGLE LIGHT FIRST POSITION HORIZONTAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-00-049-9063, 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
MIL-DTL-3661
NSN: 6210-00-049-9063
FSC: 6210
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
colorWHITE LENS
materialCOPPER ALLOY BODY
lens_typeDOME, KNURLED, INTERNAL THREAD SINGLE LIGHT FIRST POSITION HORIZONTAL
base_styleCARTRIDGE TWO PIN POLARIZED
body_styleSTRAIGHT SHAPE
lens_colorGREEN, AVIATION SINGLE LIGHT FIRST POSITION HORIZONTAL
shell_typeSOLID
inscriptionALL AC CODE FACE
lens_legendRMTE SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A
thread_class2A A
lens_quantity1
overall_width0.693 INCHES NOMINAL IN
NSN6210-00-049-9063
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,RECEPTACLE,ELECTRICAL TITLE COMPONENT PN MIL-DTL-3661 MFR CONNECTOR,RECEPTACLE,E
KEY FEATURES
•
MOUNTING METHOD: INTERNAL THREAD
•
MATERIAL: ALUMINUM HOLDER
•
OVERALL DIAMETER: 0.515 INCHES NOMINAL IN
•
EFFECTIVE DIAMETER: 0.408 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
COLOR: YELLOW LENS
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING METHODINTERNAL THREAD
MATERIALALUMINUM HOLDER
OVERALL DIAMETER0.515 INCHES NOMINAL IN
MATERIALPLASTIC LENS
EFFECTIVE DIAMETER0.408 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
OVERALL LENGTH0.500 INCHES NOMINAL IN
COLORYELLOW LENS
MOUNTING DEVICE QUANTITY1
COLORBLACK HOLDER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
MILL3661BInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-DTL-3661?
MIL-DTL-3661 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace MIL-DTL-3661?
There is 1 known substitute for MIL-DTL-3661: MILL3661B. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-DTL-3661?
MIL-DTL-3661 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-00-049-9063. 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