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66-2639-2 — LENS,LIGHT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

66-2639-2: LENS,LIGHT.

The LENS,LIGHT is a the manufacturer industrial component. Key specifications include material: STEEL HOLDER, inscription: MRK BCN FACE, overall_length: 0.470 INCHES NOMINAL IN, mounting_method: SCREW RING, overall_diameter: 0.510 INCHES NOMINAL IN, style_designator: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 6220-01-128-8248, 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
66-2639-2
NSN: 6220-01-128-8248
FSC: 6220 — Electric Vehicular Lights and Fixtures
CAGE: 72914 — GRIMES AEROSPACE COMPANY (USA)
SPECIFICATIONS
materialSTEEL HOLDER
inscriptionMRK BCN FACE
overall_length0.470 INCHES NOMINAL IN
mounting_methodSCREW RING
overall_diameter0.510 INCHES NOMINAL IN
style_designatorFLAT
surface_conditionSMOOTH BACK
fsc_application_dataT.O. 1F-16A-4-32-39-22-16 A
end_item_identificationF-16C/D AIRCRAFT
light_transmission_designTRANSLUCENT LENS
NSN6220-01-128-8248
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LENS,LIGHT TITLE COMPONENT PN 66-2639-2 MFR LENS,LIGHT
KEY FEATURES
•
FSC APPLICATION DATA: T.O. 1F-16A-4-32-39-22-16 A
•
OVERALL DIAMETER: 0.510 INCHES NOMINAL IN
•
MOUNTING METHOD: SCREW RING
•
STYLE DESIGNATOR: FLAT
•
SURFACE CONDITION: SMOOTH BACK
•
COLOR: GREEN, AVIATION INSCRIPTION BACKGROUND
•
INSCRIPTION: MRK BCN FACE
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAT.O. 1F-16A-4-32-39-22-16 A
OVERALL DIAMETER0.510 INCHES NOMINAL IN
MOUNTING METHODSCREW RING
STYLE DESIGNATORFLAT
OVERALL LENGTH0.470 INCHES NOMINAL IN
SURFACE CONDITIONSMOOTH BACK
COLORGREEN, AVIATION INSCRIPTION BACKGROUND
INSCRIPTIONMRK BCN FACE
LIGHT TRANSMISSION DESIGNTRANSLUCENT LENS
END ITEM IDENTIFICATIONF-16C/D AIRCRAFT
OTHER ITEMS IN FSC 6220 — Electric Vehicular Lights and Fixtures
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6220-00-001-1462 6220-00-001-1726 6220-00-001-1727 6220-00-001-1728 6220-00-001-1773 6220-00-001-1800 6220-00-001-1809
SUBSTITUTES & CROSS-REFERENCES 1
6220PL0725846Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 66-2639-2?
66-2639-2 is a LENS,LIGHT.
What parts can replace 66-2639-2?
There is 1 known substitute for 66-2639-2: 6220PL0725846. Substitute compatibility should be verified for your specific system.
What is the NSN for 66-2639-2?
66-2639-2 is cataloged in the U.S. Government catalog under NSN 6220-01-128-8248. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.