PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-L-3661/10Light,indicator

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6210-00-519-2120 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-00-519-2120 — this item is cataloged by the U.S. Government under National Stock Number 6210-00-519-2120. Primary manufacturer part number: MIL-L-3661/10.
Features
  • Light,indicator — FSC 6210
  • Lens Back Surface Condition: FROSTED SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Terminal Type and Quantity: 2 SOLDER LUG
  • Lens Light Transmission Characteristic: TRANSPARENT SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Lens Face Surface Condition: SMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Lens Quantity: 1
  • Panel Accommodation Hole Diameter: 1.000 INCHES NOMINAL IN
  • Lens Color: COLORLESS SINGLE LIGHT FIRST POSITION HORIZONTAL
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Light,indicator, cataloged under National Stock Number 6210-00-519-2120, is classified within Federal Supply Class 6210 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6210-00-519-2120
Primary Part NumberMIL-L-3661/10
Item NameLight,indicator
FSC / FSG6210 / 62 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Lens Back Surface ConditionFROSTED SINGLE LIGHT FIRST POSITION HORIZONTAL
Terminal Type and Quantity2 SOLDER LUG
Lens Light Transmission CharacteristicTRANSPARENT SINGLE LIGHT FIRST POSITION HORIZONTAL
Lens Face Surface ConditionSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
Lens Quantity1
Panel Accommodation Hole Diameter1.000 INCHES NOMINAL IN
Lens ColorCOLORLESS SINGLE LIGHT FIRST POSITION HORIZONTAL
Lamp Type Accommodated and Quantity1 INCANDESCENT
Mounting MethodTHREADED BUSHING
Lamp Base Type AccommodatedDOUBLE CONTACT BAYONET CANDELABRA
Lamp Bulb Size DesignatorS-6
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6210-00-067-8377 INTERCHANGEABLE
Housing,light
Cross-Reference Index
Part NumberManufacturer
MIL-L-3661/10 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2133080-6 Thales Six Gts France SAS (FRA)
LH63BC3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3030015624 Thales Deutschland Gmbh Div Customer Services (DEU)
MILL3661 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6210-00-067-8377INTERCHANGEABLE
HOUSING,LIGHT

Frequently Asked Questions

What is NSN 6210-00-519-2120?

NSN 6210-00-519-2120 is a Light,indicator, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6210 (No Item Name Available). Status: active.

What are the part numbers for NSN 6210-00-519-2120?

NSN 6210-00-519-2120 has 5 cross-referenced part numbers: MIL-L-3661/10 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2133080-6 (Thales Six Gts France SAS), LH63BC3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 3030015624 (Thales Deutschland Gmbh Div Customer Services), MILL3661 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6210-00-519-2120?

There is 1 known substitute for 6210-00-519-2120: 6210-00-067-8377. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-L-3661/10?

Key specifications for MIL-L-3661/10: Lens Back Surface Condition: FROSTED SINGLE LIGHT FIRST POSITION HORIZONTAL; Terminal Type and Quantity: 2 SOLDER LUG; Lens Light Transmission Characteristic: TRANSPARENT SINGLE LIGHT FIRST POSITION HORIZONTAL; Lens Face Surface Condition: SMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com