PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-L-3661Light,indicator

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6210-00-804-5367 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-00-804-5367 — this item is cataloged by the U.S. Government under National Stock Number 6210-00-804-5367. Primary manufacturer part number: MIL-L-3661.
Features
  • Light,indicator — FSC 6210
  • Lens Color: BLUE SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Lamp Base Type Accommodated: MINIATURE BAYONET
  • Panel Accommodation Hole Diameter: 0.688 INCHES NOMINAL IN
  • Terminal Type and Quantity: 2 SCREW
  • Lens Face Surface Condition: SMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Surface Treatment: ANODIZE BODY
  • Furnished Items and Quantity: 1 HEXAGON NUT AND 1 LOCK WASHER
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Aluminum Body construction
General Description

The Light,indicator, cataloged under National Stock Number 6210-00-804-5367, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6210-00-804-5367
Primary Part NumberMIL-L-3661
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
StatusCANCELLED
Lens ColorBLUE SINGLE LIGHT FIRST POSITION HORIZONTAL
Lamp Base Type AccommodatedMINIATURE BAYONET
Panel Accommodation Hole Diameter0.688 INCHES NOMINAL IN
Terminal Type and Quantity2 SCREW
Lens Face Surface ConditionSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
Surface TreatmentANODIZE BODY
Furnished Items and Quantity1 HEXAGON NUT AND 1 LOCK WASHER
Transmitted Light ColorBLUE SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A
Panel Thickness for Which Designed0.375 INCHES MAXIMUM IN
Mounting MethodSCREW ON LENS
MaterialALUMINUM BODY
Lens Light Transmission CharacteristicTRANSLUCENT SINGLE LIGHT FIRST POSITION HORIZONTAL
Lens Back Surface ConditionFROSTED SINGLE LIGHT FIRST POSITION HORIZONTAL
Lens TypeSTOVEPIPE, KNURLED SINGLE LIGHT FIRST POSITION HORIZONTAL
Style DesignatorROUND FRAME, ROUND LENS TYPE
Lamp Type Accommodated and Quantity1 INCANDESCENT
Mounting MethodPANEL LOCATION NOT OTHERWISE SPECIFIED
Overall Diameter0.953 INCHES NOMINAL IN
Lens Quantity1
Lamp Bulb Size DesignatorT-3 1/4
Hazardous Locations/environmental ProtectionDRIPPROOF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
6210-00-054-5467 INTERCHANGEABLE
Light,indicator
6210-00-183-0454 INTERCHANGEABLE
Light,indicator
6210-00-519-1976 INTERCHANGEABLE
Light,indicator
6210-01-027-5964 INTERCHANGEABLE
Light,indicator
6210-01-063-3069 INTERCHANGEABLE
Light,indicator
6210-01-142-4037 INTERCHANGEABLE
Light,indicator
Cross-Reference Index
Part NumberManufacturer
MIL-L-3661 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-3661/8 MIL-DTL-3661/15 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-3661/8 AND MIL-L-3661/15 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS35413-3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
LH76/3-LC15BD3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6210-00-054-5467INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-183-0454INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-519-1976INTERCHANGEABLE
LIGHT,INDICATOR
6210-01-027-5964INTERCHANGEABLE
LIGHT,INDICATOR
6210-01-063-3069INTERCHANGEABLE
LIGHT,INDICATOR
6210-01-142-4037INTERCHANGEABLE
LIGHT,INDICATOR

Frequently Asked Questions

What is NSN 6210-00-804-5367?

NSN 6210-00-804-5367 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: cancelled.

What are the part numbers for NSN 6210-00-804-5367?

NSN 6210-00-804-5367 has 5 cross-referenced part numbers: MIL-L-3661 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-3661/8 MIL-DTL-3661/15 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-3661/8 AND MIL-L-3661/15 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS35413-3 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), LH76/3-LC15BD3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6210-00-804-5367?

There are 6 known substitutes for 6210-00-804-5367: 6210-00-054-5467, 6210-00-183-0454, 6210-00-519-1976 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-L-3661?

Key specifications for MIL-L-3661: Lens Color: BLUE SINGLE LIGHT FIRST POSITION HORIZONTAL; Lamp Base Type Accommodated: MINIATURE BAYONET; Panel Accommodation Hole Diameter: 0.688 INCHES NOMINAL IN; Terminal Type and Quantity: 2 SCREW. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6210-00-804-5367 still in active supply?

NSN 6210-00-804-5367 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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