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PartsTable / COMPONENT / VS3978-5
VS3978-5 ✓ 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: RED, AVIATION LENS, material: GLASS LENS, flange_width: 0.125 INCHES NOMINAL IN, overall_height: 0.969 INCHES NOMINAL IN, overall_diameter: 1.584 INCHES NOMINAL IN, style_designator: DOME. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6220-00-151-7536, 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
VS3978-5
NSN: 6220-00-151-7536
FSC: 6220
CAGE: 80378 — TRIUMPH AEROSTRUCTURES, LLC DBA TRIUMPH AEROSTRUCTURES - VOUGHT INTEGRATED PROGRAMS DIVISION (USA)
SPECIFICATIONS
colorRED, AVIATION LENS
materialGLASS LENS
flange_width0.125 INCHES NOMINAL IN
overall_height0.969 INCHES NOMINAL IN
overall_diameter1.584 INCHES NOMINAL IN
style_designatorDOME
surface_conditionSMOOTH FACE
mounting_device_quantity1
light_transmission_designTRANSPARENT LENS
NSN6220-00-151-7536
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LENS,LIGHT TITLE COMPONENT PN VS3978-5 MFR LENS,LIGHT
KEY FEATURES
•
STYLE DESIGNATOR: DOME
•
MOUNTING DEVICE QUANTITY: 1
•
MATERIAL: GLASS LENS
•
COLOR: RED, AVIATION LENS
•
OVERALL DIAMETER: 1.584 INCHES NOMINAL IN
•
SURFACE CONDITION: SMOOTH BACK
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORDOME
MOUNTING DEVICE QUANTITY1
MATERIALGLASS LENS
COLORRED, AVIATION LENS
OVERALL DIAMETER1.584 INCHES NOMINAL IN
SURFACE CONDITIONSMOOTH BACK
SURFACE CONDITIONSMOOTH FACE
OVERALL HEIGHT0.969 INCHES NOMINAL IN
FLANGE WIDTH0.125 INCHES NOMINAL IN
LIGHT TRANSMISSION DESIGNTRANSPARENT LENS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
A12802Interchangeable
interchangeable cross-reference
interchangeable
12802Interchangeable
interchangeable cross-reference
interchangeable
10-1895-11Interchangeable
interchangeable cross-reference
interchangeable
AN3042-1Interchangeable
Same NIIN cross-reference
interchangeable
6220PL0245947Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is VS3978-5?
VS3978-5 is a LENS,LIGHT.
What parts can replace VS3978-5?
There are 5 known substitutes for VS3978-5: A12802, 12802, 10-1895-11 and 2 more. Substitute compatibility should be verified for your specific system.
Is VS3978-5 still available?
VS3978-5 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