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PartsTable / COMPONENT / MIL-DTL-3661/6
MIL-DTL-3661/6 ✓ 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-DTL-3661/6 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-00-151-5243, 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-DTL-3661/6
NSN: 6210-00-151-5243
FSC: 6210
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-DTL-3661/6
NSN6210-00-151-5243
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MIL-DTL-3661/6 TITLE COMPONENT PN MIL-DTL-3661/6 MFR MIL-DTL-3661/6
KEY FEATURES
•
PANEL ACCOMMODATION HOLE DIAMETER: 0.468 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
•
LAMP INDUSTRY NUMBER: C7A
•
LENS COLOR: RED, IDENTIFICATION SINGLE LIGHT FIRST POSITION HORIZONTAL
•
LAMP BULB SIZE DESIGNATOR: T-2
•
LENS QUANTITY: 1
•
LAMP BASE TYPE ACCOMMODATED: MIDGET FLANGED
•
OVERALL DIAMETER: 0.548 INCHES MINIMUM AND 0.553 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
PANEL ACCOMMODATION HOLE DIAMETER0.468 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
LAMP INDUSTRY NUMBERC7A
LENS COLORRED, IDENTIFICATION SINGLE LIGHT FIRST POSITION HORIZONTAL
LAMP BULB SIZE DESIGNATORT-2
LENS QUANTITY1
OVERALL LENGTH1.588 INCHES MAXIMUM IN
LAMP BASE TYPE ACCOMMODATEDMIDGET FLANGED
OVERALL DIAMETER0.548 INCHES MINIMUM AND 0.553 INCHES MAXIMUM IN
TRANSMITTED LIGHT COLORRED, IDENTIFICATION SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A
LENS FACE SURFACE CONDITIONSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 36
137-8864-09-512Interchangeable
interchangeable cross-reference
interchangeable
137-8864-09-522Interchangeable
interchangeable cross-reference
interchangeable
31-36280Interchangeable
interchangeable cross-reference
interchangeable
176301Interchangeable
interchangeable cross-reference
interchangeable
6210PL0826666Interchangeable
interchangeable cross-reference
interchangeable
LH74/1-LC13CN2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-DTL-3661/6?
MIL-DTL-3661/6 is a MIL-DTL-3661/6.
What parts can replace MIL-DTL-3661/6?
There are 36 known substitutes for MIL-DTL-3661/6: 137-8864-09-512, 137-8864-09-522, 31-36280 and 33 more. Substitute compatibility should be verified for your specific system.
Is MIL-DTL-3661/6 still available?
MIL-DTL-3661/6 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