PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-3661/9 MIL-DTL-3661/19Light,indicator

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6210-01-003-8646 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-01-003-8646 — this item is cataloged by the U.S. Government under National Stock Number 6210-01-003-8646. Primary manufacturer part number: MIL-DTL-3661/9 MIL-DTL-3661/19.
Features
  • Light,indicator — FSC 6210
  • Panel Accommodation Hole Diameter: 0.688 INCHES MINIMUM AND 0.694 INCHES MAXIMUM IN
  • Lens Color: RED, IDENTIFICATION SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Lens Quantity: 1
  • Overall Diameter: 0.938 INCHES MINIMUM AND 0.968 INCHES MAXIMUM IN
  • Lamp Bulb Size Designator: T-3 1/4
  • Lamp Base Type Accommodated: MINIATURE BAYONET
  • Hazardous Locations/environmental Protection: DRIPPROOF
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Copper Alloy Body construction
General Description

The Light,indicator, cataloged under National Stock Number 6210-01-003-8646, 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 9 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6210-01-003-8646
Primary Part NumberMIL-DTL-3661/9 MIL-DTL-3661/19
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
Panel Accommodation Hole Diameter0.688 INCHES MINIMUM AND 0.694 INCHES MAXIMUM IN
Lens ColorRED, IDENTIFICATION SINGLE LIGHT FIRST POSITION HORIZONTAL
Lens Quantity1
Overall Diameter0.938 INCHES MINIMUM AND 0.968 INCHES MAXIMUM IN
Lamp Bulb Size DesignatorT-3 1/4
Lamp Base Type AccommodatedMINIATURE BAYONET
Hazardous Locations/environmental ProtectionDRIPPROOF
Lens TypeDOME, KNURLED, INTERNAL THREAD SINGLE LIGHT FIRST POSITION HORIZONTAL
Panel Thickness for Which Designed0.343 INCHES MAXIMUM IN
Lens Face Surface ConditionSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
Style DesignatorROUND FRAME, ROUND LENS TYPE
Lens Back Surface ConditionSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
Furnished Items and Quantity1 GASKET AND 1 HEXAGON NUT AND 1 LOCK WASHER
Lamp Type Accommodated and Quantity1 NEON
Transmitted Light ColorRED SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A
MaterialCOPPER ALLOY BODY
Lens Light Transmission CharacteristicTRANSPARENT SINGLE LIGHT FIRST POSITION HORIZONTAL
Surface TreatmentCHROMIUM BODY
Mounting MethodSCREW ON LENS
Mounting MethodPANEL LOCATION NOT OTHERWISE SPECIFIED
Terminal Type and Quantity2 SOLDER LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6210-00-159-1727 INTERCHANGEABLE
Housing,light
6210-00-229-5841 INTERCHANGEABLE
Light,indicator
6210-00-840-1057 INTERCHANGEABLE
Housing,light
6210-00-844-7446 INTERCHANGEABLE
Light,indicator
6210-00-844-7447 INTERCHANGEABLE
Light,indicator
6210-00-844-7449 INTERCHANGEABLE
Light,indicator
1430-00-868-10449053353 INTERCHANGEABLE
Yoke,and,shaft Asse
Us Army Aviation and Missile Command
6210-00-989-9884 INTERCHANGEABLE
Housing,light
6210-01-056-5164 INTERCHANGEABLE
Light,indicator
6210-01-149-8534 INTERCHANGEABLE
Light,indicator
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-3661/9 MIL-DTL-3661/19 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-3661/9 AND MIL-L-3661/19 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
8000-736 Zf Industrieantriebe Witten Gmbh (DEU)
LH77/1-LC19RN3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
90-53-353 Dialight Corporation (USA)
377-0408-1131-273 Dialight Corporation (USA)
MIL-DTL-3661/9 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
90-53-353 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
6210-00-159-1727INTERCHANGEABLE
HOUSING,LIGHT
6210-00-229-5841INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-840-1057INTERCHANGEABLE
HOUSING,LIGHT
6210-00-844-7446INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-844-7447INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-844-7449INTERCHANGEABLE
LIGHT,INDICATOR
1430-00-868-1044INTERCHANGEABLE
YOKE,AND,SHAFT ASSE
9053353
6210-00-989-9884INTERCHANGEABLE
HOUSING,LIGHT
6210-01-056-5164INTERCHANGEABLE
LIGHT,INDICATOR
6210-01-149-8534INTERCHANGEABLE
LIGHT,INDICATOR

Frequently Asked Questions

What is NSN 6210-01-003-8646?

NSN 6210-01-003-8646 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 6210-01-003-8646?

NSN 6210-01-003-8646 has 9 cross-referenced part numbers: MIL-DTL-3661/9 MIL-DTL-3661/19 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-3661/9 AND MIL-L-3661/19 (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), 8000-736 (Zf Industrieantriebe Witten Gmbh), LH77/1-LC19RN3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 6210-01-003-8646?

There are 10 known substitutes for 6210-01-003-8646: 6210-00-159-1727, 6210-00-229-5841, 6210-00-840-1057 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-3661/9 MIL-DTL-3661/19?

Key specifications for MIL-DTL-3661/9 MIL-DTL-3661/19: Panel Accommodation Hole Diameter: 0.688 INCHES MINIMUM AND 0.694 INCHES MAXIMUM IN; Lens Color: RED, IDENTIFICATION SINGLE LIGHT FIRST POSITION HORIZONTAL; Lens Quantity: 1; Overall Diameter: 0.938 INCHES MINIMUM AND 0.968 INCHES MAXIMUM IN. 22 total characteristics are documented in the Federal Logistics Information System.

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