PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-3661/27Light,indicator

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6210-00-183-0453 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-00-183-0453 — this item is cataloged by the U.S. Government under National Stock Number 6210-00-183-0453. Primary manufacturer part number: MIL-DTL-3661/27.
Features
  • Light,indicator — FSC 6210
  • Hazardous Locations/environmental Protection: DUSTTIGHT AND ELECTROMAGNETIC RADIATION SUPPRESSIVE
  • Lens Color: RED, IDENTIFICATION SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Panel Accommodation Hole Diameter: 0.468 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
  • Mounting Method: SCREW IN LENS
  • Overall Diameter: 0.548 INCHES MINIMUM AND 0.553 INCHES MAXIMUM IN
  • Lamp Bulb Size Designator: T-1 3/4
  • 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 6210-00-183-0453, 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 19 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6210-00-183-0453
Primary Part NumberMIL-DTL-3661/27
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
Hazardous Locations/environmental ProtectionDUSTTIGHT AND ELECTROMAGNETIC RADIATION SUPPRESSIVE
Lens ColorRED, IDENTIFICATION SINGLE LIGHT FIRST POSITION HORIZONTAL
Panel Accommodation Hole Diameter0.468 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
Mounting MethodSCREW IN LENS
Overall Diameter0.548 INCHES MINIMUM AND 0.553 INCHES MAXIMUM IN
Lamp Bulb Size DesignatorT-1 3/4
Lens Back Surface ConditionSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
Lens Light Transmission CharacteristicTRANSLUCENT SINGLE LIGHT FIRST POSITION HORIZONTAL
Panel Thickness for Which Designed0.188 INCHES MAXIMUM IN
Furnished Items and Quantity1 HEXAGON NUT AND 1 LOCK WASHER
Transmitted Light ColorRED, IDENTIFICATION SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A
Lens TypeSTOVEPIPE, SHORT SHANK SINGLE LIGHT FIRST POSITION HORIZONTAL
Lamp Base Type AccommodatedMIDGET FLANGED
Lens Face Surface ConditionSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
Terminal Type and Quantity2 SOLDER LUG
Style DesignatorROUND FRAME, ROUND LENS TYPE
Mounting MethodPANEL LOCATION NOT OTHERWISE SPECIFIED
Lamp Type Accommodated and Quantity1 INCANDESCENT
Lens Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6210-00-117-5058 INTERCHANGEABLE
Lens,light
6210-00-128-0023 INTERCHANGEABLE
Light,indicator
6210-00-169-6129 INTERCHANGEABLE
Lens,light
6210-00-183-0361 INTERCHANGEABLE
Light,indicator
6210-00-248-5478 INTERCHANGEABLE
Lens,light
6210-00-357-7019 INTERCHANGEABLE
Light,indicator
6210-00-482-6281 INTERCHANGEABLE
Lens,light
6210-01-048-5450 INTERCHANGEABLE
Light,indicator
6210-01-086-1172 INTERCHANGEABLE
Lens,light
6210-01-198-2767 INTERCHANGEABLE
Lens,light
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-3661/27 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LH73/2-LC27RT2 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-3661/5 MIL-DTL-3661/27 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
14-00089-057 Raytheon Company (USA)
Related Parts
6210-00-117-5058INTERCHANGEABLE
LENS,LIGHT
6210-00-128-0023INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-169-6129INTERCHANGEABLE
LENS,LIGHT
6210-00-183-0361INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-248-5478INTERCHANGEABLE
LENS,LIGHT
6210-00-357-7019INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-482-6281INTERCHANGEABLE
LENS,LIGHT
6210-01-048-5450INTERCHANGEABLE
LIGHT,INDICATOR
6210-01-086-1172INTERCHANGEABLE
LENS,LIGHT
6210-01-198-2767INTERCHANGEABLE
LENS,LIGHT
6210-01-298-9243INTERCHANGEABLE
LENS,LIGHT
6210-01-475-9221INTERCHANGEABLE
LIGHT,INDICATOR

Frequently Asked Questions

What is NSN 6210-00-183-0453?

NSN 6210-00-183-0453 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 6210-00-183-0453?

NSN 6210-00-183-0453 has 5 cross-referenced part numbers: MIL-DTL-3661/27 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LH73/2-LC27RT2 (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-3661/5 MIL-DTL-3661/27 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 14-00089-057 (Raytheon Company).

What NSN replaces 6210-00-183-0453?

There are 12 known substitutes for 6210-00-183-0453: 6210-00-117-5058, 6210-00-128-0023, 6210-00-169-6129 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-3661/27?

Key specifications for MIL-DTL-3661/27: Hazardous Locations/environmental Protection: DUSTTIGHT AND ELECTROMAGNETIC RADIATION SUPPRESSIVE; Lens Color: RED, IDENTIFICATION SINGLE LIGHT FIRST POSITION HORIZONTAL; Panel Accommodation Hole Diameter: 0.468 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN; Overall Length: 1.240 INCHES MAXIMUM IN. 20 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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