PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-3661Light,indicator

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6210-00-281-2832 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-00-281-2832 — this item is cataloged by the U.S. Government under National Stock Number 6210-00-281-2832. Primary manufacturer part number: MIL-DTL-3661.
Features
  • Light,indicator — FSC 6210
  • Lamp Type Accommodated and Quantity: 1 INCANDESCENT
  • Lens Quantity: 1
  • Panel Accommodation Hole Diameter: 0.468 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
  • Lens Type: STOVEPIPE, SHORT SHANK SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Departure From Cited Document: IN ACCORDANCEWITH NAVSHIPS SYSTEMS COMMAND CODE 08 INDIVIDUAL REPAIR PARTS ORDERING DATA
  • Lens Color: YELLOW SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Lens Back Surface Condition: SMOOTH 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 6210-00-281-2832, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN6210-00-281-2832
Primary Part NumberMIL-DTL-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
StatusACTIVE
Lamp Type Accommodated and Quantity1 INCANDESCENT
Lens Quantity1
Panel Accommodation Hole Diameter0.468 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
Lens TypeSTOVEPIPE, SHORT SHANK SINGLE LIGHT FIRST POSITION HORIZONTAL
Departure From Cited DocumentIN ACCORDANCEWITH NAVSHIPS SYSTEMS COMMAND CODE 08 INDIVIDUAL REPAIR PARTS ORDERING DATA
Lens ColorYELLOW SINGLE LIGHT FIRST POSITION HORIZONTAL
Lens Back Surface ConditionSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
Lens Light Transmission CharacteristicTRANSLUCENT SINGLE LIGHT FIRST POSITION HORIZONTAL
Lamp Base Type AccommodatedMIDGET FLANGED
Mounting MethodSCREW ON LENS
Terminal Type and Quantity2 SOLDER LUG
Overall Diameter0.548 INCHES MINIMUM AND 0.553 INCHES MAXIMUM IN
Lamp Bulb Size DesignatorT-1 3/4
Hazardous Locations/environmental ProtectionDUSTTIGHT
Lens Face Surface ConditionSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
Style DesignatorROUND FRAME, ROUND LENS TYPE
Mounting MethodPANEL LOCATION NOT OTHERWISE SPECIFIED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6210-00-726-3608 INTERCHANGEABLE
Light,indicator
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-3661 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILL3661 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LH73LC12YT Dialight Corporation (USA)
Related Parts
6210-00-726-3608INTERCHANGEABLE
LIGHT,INDICATOR

Frequently Asked Questions

What is NSN 6210-00-281-2832?

NSN 6210-00-281-2832 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 6210-00-281-2832?

NSN 6210-00-281-2832 has 3 cross-referenced part numbers: MIL-DTL-3661 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILL3661 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LH73LC12YT (Dialight Corporation).

What NSN replaces 6210-00-281-2832?

There is 1 known substitute for 6210-00-281-2832: 6210-00-726-3608. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-3661?

Key specifications for MIL-DTL-3661: Lamp Type Accommodated and Quantity: 1 INCANDESCENT; Lens Quantity: 1; Panel Accommodation Hole Diameter: 0.468 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN; Lens Type: STOVEPIPE, SHORT SHANK SINGLE LIGHT FIRST POSITION HORIZONTAL. 18 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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