PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LH79/1-LC21WT3Light,indicator

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6210-00-539-8151 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-00-539-8151 — this item is cataloged by the U.S. Government under National Stock Number 6210-00-539-8151. Primary manufacturer part number: LH79/1-LC21WT3.
Features
  • Light,indicator — FSC 6210
  • Lamp Type Accommodated and Quantity: 1 INCANDESCENT
  • Transmitted Light Color: WHITE, AVIATION SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A
  • Panel Accommodation Hole Diameter: 1.000 INCHES MINIMUM AND 1.006 INCHES MAXIMUM IN
  • Lens Back Surface Condition: SMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Terminal Type and Quantity: 2 SOLDER LUG
  • Furnished Items and Quantity: 2 GASKET AND 1 HEXAGON NUT AND 1 LOCK WASHER AND 1 FLANGE
  • Mounting Method: SCREW ON LENS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Light,indicator, cataloged under National Stock Number 6210-00-539-8151, 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 7 commercial cross-references from 4 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
NSN6210-00-539-8151
Primary Part NumberLH79/1-LC21WT3
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
Lamp Type Accommodated and Quantity1 INCANDESCENT
Transmitted Light ColorWHITE, AVIATION SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A
Panel Accommodation Hole Diameter1.000 INCHES MINIMUM AND 1.006 INCHES MAXIMUM IN
Lens Back Surface ConditionSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
Terminal Type and Quantity2 SOLDER LUG
Furnished Items and Quantity2 GASKET AND 1 HEXAGON NUT AND 1 LOCK WASHER AND 1 FLANGE
Mounting MethodSCREW ON LENS
Panel Thickness for Which Designed0.188 INCHES MAXIMUM IN
Lens Quantity1
Style DesignatorROUND FRAME, ROUND LENS TYPE
Lens Light Transmission CharacteristicTRANSLUCENT SINGLE LIGHT FIRST POSITION HORIZONTAL
Mounting MethodPANEL LOCATION NOT OTHERWISE SPECIFIED
Lens Face Surface ConditionSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
Lamp Base Type AccommodatedDOUBLE CONTACT BAYONET CANDELABRA
Lamp Bulb Size DesignatorS-6
Hazardous Locations/environmental ProtectionDRIPPROOF
Lens ColorWHITE, AVIATION SINGLE LIGHT FIRST POSITION HORIZONTAL
Overall Diameter1.344 INCHES MINIMUM AND 1.406 INCHES MAXIMUM IN
Lens TypeDOME, KNURLED, INTERNAL THREAD SINGLE LIGHT FIRST POSITION HORIZONTAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
6210-00-186-8013292554417 INTERCHANGEABLE
Light,indicator
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6210-00-233-5355 INTERCHANGEABLE
Light,indicator
6210-00-295-1804 INTERCHANGEABLE
Light,indicator
6210-00-538-8614 INTERCHANGEABLE
Light,indicator
6210-00-553-0508 INTERCHANGEABLE
Light,indicator
6210-00-892-2312 INTERCHANGEABLE
Light,indicator
Cross-Reference Index
Part NumberManufacturer
LH79/1-LC21WT3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS90286 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
LH63PW3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A2133069-5 Itt Industries Inc Itt Aerospace Communications Div East (USA)
MS90286LH63PW3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
A2133069-5 L3harris Technologies, Inc. Dba Harris Corporation (USA)
MIL-L-3661 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6210-00-186-8013INTERCHANGEABLE
LIGHT,INDICATOR
292554417
6210-00-233-5355INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-295-1804INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-538-8614INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-553-0508INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-892-2312INTERCHANGEABLE
LIGHT,INDICATOR

Frequently Asked Questions

What is NSN 6210-00-539-8151?

NSN 6210-00-539-8151 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 6210-00-539-8151?

NSN 6210-00-539-8151 has 7 cross-referenced part numbers: LH79/1-LC21WT3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS90286 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), LH63PW3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A2133069-5 (Itt Industries Inc Itt Aerospace Communications Div East), MS90286LH63PW3 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 6210-00-539-8151?

There are 6 known substitutes for 6210-00-539-8151: 6210-00-186-8013, 6210-00-233-5355, 6210-00-295-1804 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LH79/1-LC21WT3?

Key specifications for LH79/1-LC21WT3: Lamp Type Accommodated and Quantity: 1 INCANDESCENT; Transmitted Light Color: WHITE, AVIATION SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A; Panel Accommodation Hole Diameter: 1.000 INCHES MINIMUM AND 1.006 INCHES MAXIMUM IN; Lens Back Surface Condition: SMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6210-00-539-8151 still in active supply?

NSN 6210-00-539-8151 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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