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Technical Data Sheet

MIL-L-3661/21 — Technical Data Sheet

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· 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 LENS,LIGHT is a the manufacturer industrial component. Key specifications include color: GREEN, IDENTIFICATION LENS, material: PLASTIC LENS, thread_class: 2B, thread_length: 0.200 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, thread_series: UNS, overall_length: 0.810 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-00-061-2623, 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-L-3661/21
NSN: 6210-00-061-2623
FSC: 6210
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
colorGREEN, IDENTIFICATION LENS
materialPLASTIC LENS
thread_class2B
thread_length0.200 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
thread_seriesUNS
overall_length0.810 INCHES MAXIMUM IN
mounting_methodINTERNAL THREAD
thread_diameter1.000 INCHES IN
thread_quantity27 PER INCH
overall_diameter1.090 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN
style_designatorCONVEX
thread_directionRIGHT-HAND
NSN6210-00-061-2623
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LENS,LIGHT TITLE COMPONENT PN MIL-L-3661/21 MFR LENS,LIGHT
KEY FEATURES
SURFACE CONDITION: SMOOTH FACE
COLOR: BLACK HOLDER
HOLDER SURFACE TREATMENT: NICKEL
THREAD DIAMETER: 1.000 INCHES IN
THREAD SERIES: UNS
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE CONDITIONSMOOTH FACE
COLORBLACK HOLDER
SURFACE CONDITIONFROSTED BACK
OVERALL LENGTH0.810 INCHES MAXIMUM IN
COLORRED, IDENTIFICATION LENS
HOLDER SURFACE TREATMENTNICKEL
THREAD DIAMETER1.000 INCHES IN
THREAD SERIESUNS
MATERIALCOPPER ALLOY HOLDER
MOUNTING METHODINTERNAL THREAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
51-117Interchangeable
interchangeable cross-reference
interchangeable
LC21CN3Interchangeable
interchangeable cross-reference
interchangeable
51-2233-203Interchangeable
interchangeable cross-reference
interchangeable
LC21YN3Interchangeable
interchangeable cross-reference
interchangeable
LC21YNInterchangeable
interchangeable cross-reference
interchangeable
51-0113-203Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-L-3661/21?
MIL-L-3661/21 is a LENS,LIGHT.
What parts can replace MIL-L-3661/21?
There are 32 known substitutes for MIL-L-3661/21: 51-117, LC21CN3, 51-2233-203 and 29 more. Substitute compatibility should be verified for your specific system.
Is MIL-L-3661/21 still available?
MIL-L-3661/21 is currently cancelled.
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