PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-3661/18Light,indicator

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6210-00-892-2380 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-00-892-2380 — this item is cataloged by the U.S. Government under National Stock Number 6210-00-892-2380. Primary manufacturer part number: MIL-DTL-3661/18.
Features
  • Light,indicator — FSC 6210
  • Lens Color: BLUE SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Panel Accommodation Hole Diameter: 0.688 INCHES NOMINAL IN
  • Lens Type: CONVEX, KNURLED, THREADED SHANK SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Lens Back Surface Condition: FROSTED SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Mounting Method: PANEL LOCATION NOT OTHERWISE SPECIFIED
  • Mounting Method: SCREW IN LENS
  • Style Designator: ROUND FRAME, ROUND LENS TYPE
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Light,indicator, cataloged under National Stock Number 6210-00-892-2380, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6210-00-892-2380
Primary Part NumberMIL-DTL-3661/18
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
Panel Accommodation Hole Diameter0.688 INCHES NOMINAL IN
Lens TypeCONVEX, KNURLED, THREADED SHANK SINGLE LIGHT FIRST POSITION HORIZONTAL
Lens Back Surface ConditionFROSTED SINGLE LIGHT FIRST POSITION HORIZONTAL
Mounting MethodPANEL LOCATION NOT OTHERWISE SPECIFIED
Mounting MethodSCREW IN LENS
Style DesignatorROUND FRAME, ROUND LENS TYPE
Lens Light Transmission CharacteristicTRANSLUCENT SINGLE LIGHT FIRST POSITION HORIZONTAL
Terminal Type and Quantity2 SOLDER LUG
Lamp Type Accommodated and Quantity1 INCANDESCENT
Lens Face Surface ConditionSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
Features ProvidedBLACKOUT DEGREE, PARTIAL AND DIMMING DEVICE
Furnished Items and Quantity1 GASKET AND 1 HEXAGON NUT AND 1 LOCK WASHER
Overall Diameter0.938 INCHES MINIMUM AND 0.968 INCHES MAXIMUM IN
Lamp Base Type AccommodatedMINIATURE BAYONET
Lens Quantity1
Hazardous Locations/environmental ProtectionDRIPPROOF
Lamp Bulb Size DesignatorT-3 1/4
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
6210-00-056-9192 INTERCHANGEABLE
Lens,light
6210-00-067-8370 INTERCHANGEABLE
Lens,light
6210-00-067-8371 INTERCHANGEABLE
Lens,light
6210-00-067-8372 INTERCHANGEABLE
Lens,light
6210-00-080-1058 INTERCHANGEABLE
Light,indicator
6210-00-810-7583 INTERCHANGEABLE
Light,indicator
6210-00-857-2338 INTERCHANGEABLE
Lens,light
6210-00-996-0675202-0410-0113-203 INTERCHANGEABLE
Light,indicator
Dialight Corporation
6210-01-071-8219 INTERCHANGEABLE
Light,indicator
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-3661/18 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
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-3661/18 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LH75LC18BD Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LH76/3-LC18BD3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6210-00-056-9192INTERCHANGEABLE
LENS,LIGHT
6210-00-067-8370INTERCHANGEABLE
LENS,LIGHT
6210-00-067-8371INTERCHANGEABLE
LENS,LIGHT
6210-00-067-8372INTERCHANGEABLE
LENS,LIGHT
6210-00-080-1058INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-810-7583INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-857-2338INTERCHANGEABLE
LENS,LIGHT
6210-00-996-0675INTERCHANGEABLE
LIGHT,INDICATOR
202-0410-0113-203
6210-01-071-8219INTERCHANGEABLE
LIGHT,INDICATOR

Frequently Asked Questions

What is NSN 6210-00-892-2380?

NSN 6210-00-892-2380 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 6210-00-892-2380?

NSN 6210-00-892-2380 has 5 cross-referenced part numbers: MIL-DTL-3661/18 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 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-3661/18 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LH75LC18BD (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LH76/3-LC18BD3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6210-00-892-2380?

There are 9 known substitutes for 6210-00-892-2380: 6210-00-056-9192, 6210-00-067-8370, 6210-00-067-8371 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-3661/18?

Key specifications for MIL-DTL-3661/18: Lens Color: BLUE SINGLE LIGHT FIRST POSITION HORIZONTAL; Panel Accommodation Hole Diameter: 0.688 INCHES NOMINAL IN; Lens Type: CONVEX, KNURLED, THREADED SHANK SINGLE LIGHT FIRST POSITION HORIZONTAL; Lens Back Surface Condition: FROSTED SINGLE LIGHT FIRST POSITION HORIZONTAL. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6210-00-892-2380 still in active supply?

NSN 6210-00-892-2380 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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