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PartsTable / COMPONENT / MIL-L-3661/38 AND MIL-L-3661/21
MIL-L-3661/38 AND MIL-L-3661/21 ✓ 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 MIL-L-3661/38 AND MIL-L-3661/21 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-00-080-7339, 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-3661/38 AND MIL-L-3661/21
NSN: 6210-00-080-7339
FSC: 6210
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-L-3661/38 AND MIL-L-3661/21
NSN6210-00-080-7339
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MIL-L-3661/38 AND MIL-L-3661/21 TITLE COMPONENT PN MIL-L-3661/38 AND MIL-L-3661/21 MFR MIL-L-3661/38 AND MIL-
KEY FEATURES
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LAMP BASE TYPE ACCOMMODATED: DOUBLE CONTACT BAYONET CANDELABRA
•
LENS COLOR: BLUE SINGLE LIGHT FIRST POSITION HORIZONTAL
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LAMP BULB SIZE DESIGNATOR: S-6
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PANEL THICKNESS FOR WHICH DESIGNED: 1.000 INCHES MAXIMUM IN
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TRANSMITTED LIGHT COLOR: BLUE SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A
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OVERALL DIAMETER: 1.344 INCHES MINIMUM AND 1.406 INCHES MAXIMUM IN
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LENS TYPE: CONVEX, KNURLED SINGLE LIGHT FIRST POSITION HORIZONTAL
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FURNISHED ITEMS AND QUANTITY: 2 GASKET AND 1 HEXAGON NUT AND 1 LOCK WASHER
TECHNICAL CHARACTERISTICS (FLIS)
LAMP BASE TYPE ACCOMMODATEDDOUBLE CONTACT BAYONET CANDELABRA
LENS COLORBLUE SINGLE LIGHT FIRST POSITION HORIZONTAL
LAMP BULB SIZE DESIGNATORS-6
PANEL THICKNESS FOR WHICH DESIGNED1.000 INCHES MAXIMUM IN
TRANSMITTED LIGHT COLORBLUE SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A
OVERALL DIAMETER1.344 INCHES MINIMUM AND 1.406 INCHES MAXIMUM IN
LENS TYPECONVEX, KNURLED SINGLE LIGHT FIRST POSITION HORIZONTAL
FURNISHED ITEMS AND QUANTITY2 GASKET AND 1 HEXAGON NUT AND 1 LOCK WASHER
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTIONDRIPPROOF
LENS FACE SURFACE CONDITIONSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
904008-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-L-3661/38Interchangeable
interchangeable cross-reference
interchangeable
LH80LC21GNInterchangeable
interchangeable cross-reference
interchangeable
51202-114Interchangeable
interchangeable cross-reference
interchangeable
LH63BB2Interchangeable
interchangeable cross-reference
interchangeable
MILL3661Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-L-3661/38 AND MIL-L-3661/21?
MIL-L-3661/38 AND MIL-L-3661/21 is a MIL-L-3661/38 AND MIL-L-3661/21.
What parts can replace MIL-L-3661/38 AND MIL-L-3661/21?
There are 30 known substitutes for MIL-L-3661/38 AND MIL-L-3661/21: 904008-1, MIL-L-3661/38, LH80LC21GN and 27 more. Substitute compatibility should be verified for your specific system.
Is MIL-L-3661/38 AND MIL-L-3661/21 still available?
MIL-L-3661/38 AND MIL-L-3661/21 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