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Technical Data Sheet
LC21YD3 ✓ 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 LENS,LIGHT is a the manufacturer industrial component. Key specifications include color: YELLOW, AVIATION LENS, material: PLASTIC LENS, thread_class: 2B, thread_series: UNS, overall_length: 0.810 INCHES MAXIMUM IN, mounting_method: INTERNAL THREAD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-00-067-8374, 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
LC21YD3
NSN: 6210-00-067-8374
FSC: 6210
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
colorYELLOW, AVIATION LENS
materialPLASTIC LENS
thread_class2B
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
surface_conditionSMOOTH FACE
NSN6210-00-067-8374
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LENS,LIGHT TITLE COMPONENT PN LC21YD3 MFR LENS,LIGHT
KEY FEATURES
COLOR: YELLOW, AVIATION LENS
MATERIAL: PLASTIC LENS
EFFECTIVE DIAMETER: 0.940 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
MOUNTING DEVICE QUANTITY: 1
OVERALL DIAMETER: 1.090 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN
THREAD DIRECTION: RIGHT-HAND
THREAD CLASS: 2B
SURFACE CONDITION: SMOOTH FACE
TECHNICAL CHARACTERISTICS (FLIS)
COLORYELLOW, AVIATION LENS
MATERIALPLASTIC LENS
EFFECTIVE DIAMETER0.940 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
MOUNTING DEVICE QUANTITY1
OVERALL DIAMETER1.090 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B
SURFACE CONDITIONSMOOTH FACE
SURFACE CONDITIONFROSTED BACK
THREAD SERIESUNS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
51-2211-203Interchangeable
interchangeable cross-reference
interchangeable
5381257-24Interchangeable
interchangeable cross-reference
interchangeable
PM1IRInterchangeable
interchangeable cross-reference
interchangeable
51-117Interchangeable
interchangeable cross-reference
interchangeable
MIL-L-3661/21Interchangeable
interchangeable cross-reference
interchangeable
LC21CN3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LC21YD3?
LC21YD3 is a LENS,LIGHT.
What parts can replace LC21YD3?
There are 32 known substitutes for LC21YD3: 51-2211-203, 5381257-24, PM1IR and 29 more. Substitute compatibility should be verified for your specific system.
Is LC21YD3 still available?
LC21YD3 is currently cancelled.
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